/**
 *      This library file is auto-generated by 'semmle/query_gen.py'.
 *      WARNING: Any modifications to this file will be lost.
 *      Relations can be changed by modifying master.py.
 */

import python

/** INTERNAL: See the class `Add` for further information. */
class Add_ extends @py_Add, Operator {
  override string toString() { result = "Add" }
}

/** INTERNAL: See the class `And` for further information. */
class And_ extends @py_And, Boolop {
  override string toString() { result = "And" }
}

/** INTERNAL: See the class `AnnAssign` for further information. */
class AnnAssign_ extends @py_AnnAssign, Stmt {
  /** Gets the value of this annotated assignment. */
  Expr getValue() { py_exprs(result, _, this, 1) }

  /** Gets the annotation of this annotated assignment. */
  Expr getAnnotation() { py_exprs(result, _, this, 2) }

  /** Gets the target of this annotated assignment. */
  Expr getTarget() { py_exprs(result, _, this, 3) }

  override string toString() { result = "AnnAssign" }
}

/** INTERNAL: See the class `Assert` for further information. */
class Assert_ extends @py_Assert, Stmt {
  /** Gets the value being tested of this assert statement. */
  Expr getTest() { py_exprs(result, _, this, 1) }

  /** Gets the failure message of this assert statement. */
  Expr getMsg() { py_exprs(result, _, this, 2) }

  override string toString() { result = "Assert" }
}

/** INTERNAL: See the class `Assign` for further information. */
class Assign_ extends @py_Assign, Stmt {
  /** Gets the value of this assignment statement. */
  Expr getValue() { py_exprs(result, _, this, 1) }

  /** Gets the targets of this assignment statement. */
  ExprList getTargets() { py_expr_lists(result, this, 2) }

  /** Gets the nth target of this assignment statement. */
  Expr getTarget(int index) { result = this.getTargets().getItem(index) }

  /** Gets a target of this assignment statement. */
  Expr getATarget() { result = this.getTargets().getAnItem() }

  override string toString() { result = "Assign" }
}

/** INTERNAL: See the class `AssignExpr` for further information. */
class AssignExpr_ extends @py_AssignExpr, Expr {
  /** Gets the value of this assignment expression. */
  Expr getValue() { py_exprs(result, _, this, 2) }

  /** Gets the target of this assignment expression. */
  Expr getTarget() { py_exprs(result, _, this, 3) }

  override string toString() { result = "AssignExpr" }
}

/** INTERNAL: See the class `Attribute` for further information. */
class Attribute_ extends @py_Attribute, Expr {
  /** Gets the object of this attribute expression. */
  Expr getValue() { py_exprs(result, _, this, 2) }

  /** Gets the attribute name of this attribute expression. */
  string getAttr() { py_strs(result, this, 3) }

  /** Gets the context of this attribute expression. */
  ExprContext getCtx() { py_expr_contexts(result, _, this) }

  override string toString() { result = "Attribute" }
}

/** INTERNAL: See the class `AugAssign` for further information. */
class AugAssign_ extends @py_AugAssign, Stmt {
  /** Gets the operation of this augmented assignment statement. */
  BinaryExpr getOperation() { py_exprs(result, _, this, 1) }

  override string toString() { result = "AugAssign" }
}

/** INTERNAL: See the class `AugLoad` for further information. */
class AugLoad_ extends @py_AugLoad, ExprContext {
  override string toString() { result = "AugLoad" }
}

/** INTERNAL: See the class `AugStore` for further information. */
class AugStore_ extends @py_AugStore, ExprContext {
  override string toString() { result = "AugStore" }
}

/** INTERNAL: See the class `Await` for further information. */
class Await_ extends @py_Await, Expr {
  /** Gets the expression waited upon of this await expression. */
  Expr getValue() { py_exprs(result, _, this, 2) }

  override string toString() { result = "Await" }
}

/** INTERNAL: See the class `BinaryExpr` for further information. */
class BinaryExpr_ extends @py_BinaryExpr, Expr {
  /** Gets the left sub-expression of this binary expression. */
  Expr getLeft() { py_exprs(result, _, this, 2) }

  /** Gets the operator of this binary expression. */
  Operator getOp() { py_operators(result, _, this) }

  /** Gets the right sub-expression of this binary expression. */
  Expr getRight() { py_exprs(result, _, this, 4) }

  override ExprParent getParent() { py_exprs(this, _, result, _) }

  override string toString() { result = "BinaryExpr" }
}

/** INTERNAL: See the class `BitAnd` for further information. */
class BitAnd_ extends @py_BitAnd, Operator {
  override string toString() { result = "BitAnd" }
}

/** INTERNAL: See the class `BitOr` for further information. */
class BitOr_ extends @py_BitOr, Operator {
  override string toString() { result = "BitOr" }
}

/** INTERNAL: See the class `BitXor` for further information. */
class BitXor_ extends @py_BitXor, Operator {
  override string toString() { result = "BitXor" }
}

/** INTERNAL: See the class `BoolExpr` for further information. */
class BoolExpr_ extends @py_BoolExpr, Expr {
  /** Gets the operator of this boolean expression. */
  Boolop getOp() { py_boolops(result, _, this) }

  /** Gets the sub-expressions of this boolean expression. */
  ExprList getValues() { py_expr_lists(result, this, 3) }

  /** Gets the nth sub-expression of this boolean expression. */
  Expr getValue(int index) { result = this.getValues().getItem(index) }

  /** Gets a sub-expression of this boolean expression. */
  Expr getAValue() { result = this.getValues().getAnItem() }

  override string toString() { result = "BoolExpr" }
}

/** INTERNAL: See the class `Break` for further information. */
class Break_ extends @py_Break, Stmt {
  override string toString() { result = "Break" }
}

/** INTERNAL: See the class `Bytes` for further information. */
class Bytes_ extends @py_Bytes, Expr {
  /** Gets the value of this bytes expression. */
  string getS() { py_bytes(result, this, 2) }

  /** Gets the prefix of this bytes expression. */
  string getPrefix() { py_bytes(result, this, 3) }

  /** Gets the implicitly_concatenated_parts of this bytes expression. */
  StringPartList getImplicitlyConcatenatedParts() { py_StringPart_lists(result, this) }

  /** Gets the nth implicitly_concatenated_part of this bytes expression. */
  StringPart getImplicitlyConcatenatedPart(int index) {
    result = this.getImplicitlyConcatenatedParts().getItem(index)
  }

  /** Gets an implicitly_concatenated_part of this bytes expression. */
  StringPart getAnImplicitlyConcatenatedPart() {
    result = this.getImplicitlyConcatenatedParts().getAnItem()
  }

  override string toString() { result = "Bytes" }
}

/** INTERNAL: See the class `BytesOrStr` for further information. */
class BytesOrStr_ extends @py_Bytes_or_Str {
  /** Gets a textual representation of this element. */
  string toString() { result = "BytesOrStr" }
}

/** INTERNAL: See the class `Call` for further information. */
class Call_ extends @py_Call, Expr {
  /** Gets the callable of this call expression. */
  Expr getFunc() { py_exprs(result, _, this, 2) }

  /** Gets the positional arguments of this call expression. */
  ExprList getPositionalArgs() { py_expr_lists(result, this, 3) }

  /** Gets the nth positional argument of this call expression. */
  Expr getPositionalArg(int index) { result = this.getPositionalArgs().getItem(index) }

  /** Gets a positional argument of this call expression. */
  Expr getAPositionalArg() { result = this.getPositionalArgs().getAnItem() }

  /** Gets the named arguments of this call expression. */
  DictItemList getNamedArgs() { py_dict_item_lists(result, this) }

  /** Gets the nth named argument of this call expression. */
  DictItem getNamedArg(int index) { result = this.getNamedArgs().getItem(index) }

  /** Gets a named argument of this call expression. */
  DictItem getANamedArg() { result = this.getNamedArgs().getAnItem() }

  override string toString() { result = "Call" }
}

/** INTERNAL: See the class `Case` for further information. */
class Case_ extends @py_Case, Stmt {
  /** Gets the pattern of this case statement. */
  Pattern getPattern() { py_patterns(result, _, this, 1) }

  /** Gets the guard of this case statement. */
  Expr getGuard() { py_exprs(result, _, this, 2) }

  /** Gets the body of this case statement. */
  StmtList getBody() { py_stmt_lists(result, this, 3) }

  /** Gets the nth statement of this case statement. */
  Stmt getStmt(int index) { result = this.getBody().getItem(index) }

  /** Gets a statement of this case statement. */
  Stmt getAStmt() { result = this.getBody().getAnItem() }

  override string toString() { result = "Case" }
}

/** INTERNAL: See the class `Class` for further information. */
class Class_ extends @py_Class {
  /** Gets the name of this class. */
  string getName() { py_strs(result, this, 0) }

  /** Gets the body of this class. */
  StmtList getBody() { py_stmt_lists(result, this, 1) }

  /** Gets the nth statement of this class. */
  Stmt getStmt(int index) { result = this.getBody().getItem(index) }

  /** Gets a statement of this class. */
  Stmt getAStmt() { result = this.getBody().getAnItem() }

  /** Gets a parent of this class */
  ClassExpr getParent() { py_Classes(this, result) }

  /** Gets a textual representation of this element. */
  string toString() { result = "Class" }
}

/** INTERNAL: See the class `ClassExpr` for further information. */
class ClassExpr_ extends @py_ClassExpr, Expr {
  /** Gets the name of this class definition. */
  string getName() { py_strs(result, this, 2) }

  /** Gets the bases of this class definition. */
  ExprList getBases() { py_expr_lists(result, this, 3) }

  /** Gets the nth base of this class definition. */
  Expr getBase(int index) { result = this.getBases().getItem(index) }

  /** Gets a base of this class definition. */
  Expr getABase() { result = this.getBases().getAnItem() }

  /** Gets the keyword arguments of this class definition. */
  DictItemList getKeywords() { py_dict_item_lists(result, this) }

  /** Gets the nth keyword argument of this class definition. */
  DictItem getKeyword(int index) { result = this.getKeywords().getItem(index) }

  /** Gets a keyword argument of this class definition. */
  DictItem getAKeyword() { result = this.getKeywords().getAnItem() }

  /** Gets the class scope of this class definition. */
  Class getInnerScope() { py_Classes(result, this) }

  override string toString() { result = "ClassExpr" }
}

/** INTERNAL: See the class `Compare` for further information. */
class Compare_ extends @py_Compare, Expr {
  /** Gets the left sub-expression of this compare expression. */
  Expr getLeft() { py_exprs(result, _, this, 2) }

  /** Gets the comparison operators of this compare expression. */
  CmpopList getOps() { py_cmpop_lists(result, this) }

  /** Gets the nth comparison operator of this compare expression. */
  Cmpop getOp(int index) { result = this.getOps().getItem(index) }

  /** Gets a comparison operator of this compare expression. */
  Cmpop getAnOp() { result = this.getOps().getAnItem() }

  /** Gets the right sub-expressions of this compare expression. */
  ExprList getComparators() { py_expr_lists(result, this, 4) }

  /** Gets the nth right sub-expression of this compare expression. */
  Expr getComparator(int index) { result = this.getComparators().getItem(index) }

  /** Gets a right sub-expression of this compare expression. */
  Expr getAComparator() { result = this.getComparators().getAnItem() }

  override string toString() { result = "Compare" }
}

/** INTERNAL: See the class `Continue` for further information. */
class Continue_ extends @py_Continue, Stmt {
  override string toString() { result = "Continue" }
}

/** INTERNAL: See the class `Del` for further information. */
class Del_ extends @py_Del, ExprContext {
  override string toString() { result = "Del" }
}

/** INTERNAL: See the class `Delete` for further information. */
class Delete_ extends @py_Delete, Stmt {
  /** Gets the targets of this delete statement. */
  ExprList getTargets() { py_expr_lists(result, this, 1) }

  /** Gets the nth target of this delete statement. */
  Expr getTarget(int index) { result = this.getTargets().getItem(index) }

  /** Gets a target of this delete statement. */
  Expr getATarget() { result = this.getTargets().getAnItem() }

  override string toString() { result = "Delete" }
}

/** INTERNAL: See the class `Dict` for further information. */
class Dict_ extends @py_Dict, Expr {
  /** Gets the items of this dictionary expression. */
  DictItemList getItems() { py_dict_item_lists(result, this) }

  /** Gets the nth item of this dictionary expression. */
  DictItem getItem(int index) { result = this.getItems().getItem(index) }

  /** Gets an item of this dictionary expression. */
  DictItem getAnItem() { result = this.getItems().getAnItem() }

  override string toString() { result = "Dict" }
}

/** INTERNAL: See the class `DictComp` for further information. */
class DictComp_ extends @py_DictComp, Expr {
  /** Gets the implementation of this dictionary comprehension. */
  Function getFunction() { py_Functions(result, this) }

  /** Gets the iterable of this dictionary comprehension. */
  Expr getIterable() { py_exprs(result, _, this, 3) }

  override string toString() { result = "DictComp" }
}

/** INTERNAL: See the class `DictUnpacking` for further information. */
class DictUnpacking_ extends @py_DictUnpacking, DictItem {
  /** Gets the location of this dictionary unpacking. */
  override Location getLocation() { py_locations(result, this) }

  /** Gets the value of this dictionary unpacking. */
  Expr getValue() { py_exprs(result, _, this, 1) }

  override string toString() { result = "DictUnpacking" }
}

/** INTERNAL: See the class `Div` for further information. */
class Div_ extends @py_Div, Operator {
  override string toString() { result = "Div" }
}

/** INTERNAL: See the class `Ellipsis` for further information. */
class Ellipsis_ extends @py_Ellipsis, Expr {
  override string toString() { result = "Ellipsis" }
}

/** INTERNAL: See the class `Eq` for further information. */
class Eq_ extends @py_Eq, Cmpop {
  override string toString() { result = "Eq" }
}

/** INTERNAL: See the class `ExceptGroupStmt` for further information. */
class ExceptGroupStmt_ extends @py_ExceptGroupStmt, Stmt {
  /** Gets the type of this except group block. */
  Expr getType() { py_exprs(result, _, this, 1) }

  /** Gets the name of this except group block. */
  Expr getName() { py_exprs(result, _, this, 2) }

  /** Gets the body of this except group block. */
  StmtList getBody() { py_stmt_lists(result, this, 3) }

  /** Gets the nth statement of this except group block. */
  Stmt getStmt(int index) { result = this.getBody().getItem(index) }

  /** Gets a statement of this except group block. */
  Stmt getAStmt() { result = this.getBody().getAnItem() }

  override string toString() { result = "ExceptGroupStmt" }
}

/** INTERNAL: See the class `ExceptStmt` for further information. */
class ExceptStmt_ extends @py_ExceptStmt, Stmt {
  /** Gets the type of this except block. */
  Expr getType() { py_exprs(result, _, this, 1) }

  /** Gets the name of this except block. */
  Expr getName() { py_exprs(result, _, this, 2) }

  /** Gets the body of this except block. */
  StmtList getBody() { py_stmt_lists(result, this, 3) }

  /** Gets the nth statement of this except block. */
  Stmt getStmt(int index) { result = this.getBody().getItem(index) }

  /** Gets a statement of this except block. */
  Stmt getAStmt() { result = this.getBody().getAnItem() }

  override string toString() { result = "ExceptStmt" }
}

/** INTERNAL: See the class `Exec` for further information. */
class Exec_ extends @py_Exec, Stmt {
  /** Gets the body of this exec statement. */
  Expr getBody() { py_exprs(result, _, this, 1) }

  /** Gets the globals of this exec statement. */
  Expr getGlobals() { py_exprs(result, _, this, 2) }

  /** Gets the locals of this exec statement. */
  Expr getLocals() { py_exprs(result, _, this, 3) }

  override string toString() { result = "Exec" }
}

/** INTERNAL: See the class `ExprStmt` for further information. */
class ExprStmt_ extends @py_Expr_stmt, Stmt {
  /** Gets the value of this expr statement. */
  Expr getValue() { py_exprs(result, _, this, 1) }

  override string toString() { result = "ExprStmt" }
}

/** INTERNAL: See the class `Filter` for further information. */
class Filter_ extends @py_Filter, Expr {
  /** Gets the filtered value of this template filter expression. */
  Expr getValue() { py_exprs(result, _, this, 2) }

  /** Gets the filter of this template filter expression. */
  Expr getFilter() { py_exprs(result, _, this, 3) }

  override string toString() { result = "Filter" }
}

/** INTERNAL: See the class `FloorDiv` for further information. */
class FloorDiv_ extends @py_FloorDiv, Operator {
  override string toString() { result = "FloorDiv" }
}

/** INTERNAL: See the class `For` for further information. */
class For_ extends @py_For, Stmt {
  /** Gets the target of this for statement. */
  Expr getTarget() { py_exprs(result, _, this, 1) }

  /** Gets the iterable of this for statement. */
  Expr getIter() { py_exprs(result, _, this, 2) }

  /** Gets the body of this for statement. */
  StmtList getBody() { py_stmt_lists(result, this, 3) }

  /** Gets the nth statement of this for statement. */
  Stmt getStmt(int index) { result = this.getBody().getItem(index) }

  /** Gets a statement of this for statement. */
  Stmt getAStmt() { result = this.getBody().getAnItem() }

  /** Gets the else block of this for statement. */
  StmtList getOrelse() { py_stmt_lists(result, this, 4) }

  /** Gets the nth else statement of this for statement. */
  Stmt getOrelse(int index) { result = this.getOrelse().getItem(index) }

  /** Gets an else statement of this for statement. */
  Stmt getAnOrelse() { result = this.getOrelse().getAnItem() }

  /** Whether the async property of this for statement is true. */
  predicate isAsync() { py_bools(this, 5) }

  override string toString() { result = "For" }
}

/** INTERNAL: See the class `FormattedValue` for further information. */
class FormattedValue_ extends @py_FormattedValue, Expr {
  /** Gets the expression to be formatted of this formatted value. */
  Expr getValue() { py_exprs(result, _, this, 2) }

  /** Gets the type conversion of this formatted value. */
  string getConversion() { py_strs(result, this, 3) }

  /** Gets the format specifier of this formatted value. */
  Fstring getFormatSpec() { py_exprs(result, _, this, 4) }

  override string toString() { result = "FormattedValue" }
}

/** INTERNAL: See the class `Function` for further information. */
class Function_ extends @py_Function {
  /** Gets the name of this function. */
  string getName() { py_strs(result, this, 0) }

  /** Gets the positional parameter list of this function. */
  ParameterList getArgs() { py_parameter_lists(result, this) }

  /** Gets the nth positional parameter of this function. */
  Parameter getArg(int index) { result = this.getArgs().getItem(index) }

  /** Gets a positional parameter of this function. */
  Parameter getAnArg() { result = this.getArgs().getAnItem() }

  /** Gets the tuple (*) parameter of this function. */
  Expr getVararg() { py_exprs(result, _, this, 2) }

  /** Gets the keyword-only parameter list of this function. */
  ExprList getKwonlyargs() { py_expr_lists(result, this, 3) }

  /** Gets the nth keyword-only parameter of this function. */
  Expr getKwonlyarg(int index) { result = this.getKwonlyargs().getItem(index) }

  /** Gets a keyword-only parameter of this function. */
  Expr getAKwonlyarg() { result = this.getKwonlyargs().getAnItem() }

  /** Gets the dictionary (**) parameter of this function. */
  Expr getKwarg() { py_exprs(result, _, this, 4) }

  /** Gets the body of this function. */
  StmtList getBody() { py_stmt_lists(result, this, 5) }

  /** Gets the nth statement of this function. */
  Stmt getStmt(int index) { result = this.getBody().getItem(index) }

  /** Gets a statement of this function. */
  Stmt getAStmt() { result = this.getBody().getAnItem() }

  /** Whether the async property of this function is true. */
  predicate isAsync() { py_bools(this, 6) }

  /** Gets a parent of this function */
  FunctionParent getParent() { py_Functions(this, result) }

  /** Gets a textual representation of this element. */
  string toString() { result = "Function" }
}

/** INTERNAL: See the class `FunctionExpr` for further information. */
class FunctionExpr_ extends @py_FunctionExpr, Expr {
  /** Gets the name of this function definition. */
  string getName() { py_strs(result, this, 2) }

  /** Gets the parameters of this function definition. */
  Arguments getArgs() { py_arguments(result, this) }

  /** Gets the return annotation of this function definition. */
  Expr getReturns() { py_exprs(result, _, this, 4) }

  /** Gets the function scope of this function definition. */
  Function getInnerScope() { py_Functions(result, this) }

  override string toString() { result = "FunctionExpr" }
}

/** INTERNAL: See the class `FunctionParent` for further information. */
class FunctionParent_ extends @py_Function_parent {
  /** Gets a textual representation of this element. */
  string toString() { result = "FunctionParent" }
}

/** INTERNAL: See the class `GeneratorExp` for further information. */
class GeneratorExp_ extends @py_GeneratorExp, Expr {
  /** Gets the implementation of this generator expression. */
  Function getFunction() { py_Functions(result, this) }

  /** Gets the iterable of this generator expression. */
  Expr getIterable() { py_exprs(result, _, this, 3) }

  override string toString() { result = "GeneratorExp" }
}

/** INTERNAL: See the class `Global` for further information. */
class Global_ extends @py_Global, Stmt {
  /** Gets the names of this global statement. */
  StringList getNames() { py_str_lists(result, this) }

  /** Gets the nth name of this global statement. */
  string getName(int index) { result = this.getNames().getItem(index) }

  /** Gets a name of this global statement. */
  string getAName() { result = this.getNames().getAnItem() }

  override string toString() { result = "Global" }
}

/** INTERNAL: See the class `Gt` for further information. */
class Gt_ extends @py_Gt, Cmpop {
  override string toString() { result = "Gt" }
}

/** INTERNAL: See the class `GtE` for further information. */
class GtE_ extends @py_GtE, Cmpop {
  override string toString() { result = "GtE" }
}

/** INTERNAL: See the class `Guard` for further information. */
class Guard_ extends @py_Guard, Expr {
  /** Gets the test of this guard expression. */
  Expr getTest() { py_exprs(result, _, this, 2) }

  override string toString() { result = "Guard" }
}

/** INTERNAL: See the class `If` for further information. */
class If_ extends @py_If, Stmt {
  /** Gets the test of this if statement. */
  Expr getTest() { py_exprs(result, _, this, 1) }

  /** Gets the if-true block of this if statement. */
  StmtList getBody() { py_stmt_lists(result, this, 2) }

  /** Gets the nth if-true statement of this if statement. */
  Stmt getStmt(int index) { result = this.getBody().getItem(index) }

  /** Gets an if-true statement of this if statement. */
  Stmt getAStmt() { result = this.getBody().getAnItem() }

  /** Gets the if-false block of this if statement. */
  StmtList getOrelse() { py_stmt_lists(result, this, 3) }

  /** Gets the nth if-false statement of this if statement. */
  Stmt getOrelse(int index) { result = this.getOrelse().getItem(index) }

  /** Gets an if-false statement of this if statement. */
  Stmt getAnOrelse() { result = this.getOrelse().getAnItem() }

  override string toString() { result = "If" }
}

/** INTERNAL: See the class `IfExp` for further information. */
class IfExp_ extends @py_IfExp, Expr {
  /** Gets the test of this if expression. */
  Expr getTest() { py_exprs(result, _, this, 2) }

  /** Gets the if-true expression of this if expression. */
  Expr getBody() { py_exprs(result, _, this, 3) }

  /** Gets the if-false expression of this if expression. */
  Expr getOrelse() { py_exprs(result, _, this, 4) }

  override string toString() { result = "IfExp" }
}

/** INTERNAL: See the class `Import` for further information. */
class Import_ extends @py_Import, Stmt {
  /** Gets the alias list of this import statement. */
  AliasList getNames() { py_alias_lists(result, this) }

  /** Gets the nth alias of this import statement. */
  Alias getName(int index) { result = this.getNames().getItem(index) }

  /** Gets an alias of this import statement. */
  Alias getAName() { result = this.getNames().getAnItem() }

  override string toString() { result = "Import" }
}

/** INTERNAL: See the class `ImportExpr` for further information. */
class ImportExpr_ extends @py_ImportExpr, Expr {
  /** Gets the level of this import expression. */
  int getLevel() { py_ints(result, this) }

  /** Gets the name of this import expression. */
  string getName() { py_strs(result, this, 3) }

  /** Whether the top level property of this import expression is true. */
  predicate isTop() { py_bools(this, 4) }

  override string toString() { result = "ImportExpr" }
}

/** INTERNAL: See the class `ImportStar` for further information. */
class ImportStar_ extends @py_ImportStar, Stmt {
  /** Gets the module of this import * statement. */
  Expr getModule() { py_exprs(result, _, this, 1) }

  override string toString() { result = "ImportStar" }
}

/** INTERNAL: See the class `ImportMember` for further information. */
class ImportMember_ extends @py_ImportMember, Expr {
  /** Gets the module of this from import. */
  Expr getModule() { py_exprs(result, _, this, 2) }

  /** Gets the name of this from import. */
  string getName() { py_strs(result, this, 3) }

  override string toString() { result = "ImportMember" }
}

/** INTERNAL: See the class `In` for further information. */
class In_ extends @py_In, Cmpop {
  override string toString() { result = "In" }
}

/** INTERNAL: See the class `Invert` for further information. */
class Invert_ extends @py_Invert, Unaryop {
  override string toString() { result = "Invert" }
}

/** INTERNAL: See the class `Is` for further information. */
class Is_ extends @py_Is, Cmpop {
  override string toString() { result = "Is" }
}

/** INTERNAL: See the class `IsNot` for further information. */
class IsNot_ extends @py_IsNot, Cmpop {
  override string toString() { result = "IsNot" }
}

/** INTERNAL: See the class `Fstring` for further information. */
class Fstring_ extends @py_Fstring, Expr {
  /** Gets the values of this formatted string literal. */
  ExprList getValues() { py_expr_lists(result, this, 2) }

  /** Gets the nth value of this formatted string literal. */
  Expr getValue(int index) { result = this.getValues().getItem(index) }

  /** Gets a value of this formatted string literal. */
  Expr getAValue() { result = this.getValues().getAnItem() }

  override ExprParent getParent() { py_exprs(this, _, result, _) }

  override string toString() { result = "Fstring" }
}

/** INTERNAL: See the class `KeyValuePair` for further information. */
class KeyValuePair_ extends @py_KeyValuePair, DictItem {
  /** Gets the location of this key-value pair. */
  override Location getLocation() { py_locations(result, this) }

  /** Gets the value of this key-value pair. */
  Expr getValue() { py_exprs(result, _, this, 1) }

  /** Gets the key of this key-value pair. */
  Expr getKey() { py_exprs(result, _, this, 2) }

  override string toString() { result = "KeyValuePair" }
}

/** INTERNAL: See the class `LShift` for further information. */
class LShift_ extends @py_LShift, Operator {
  override string toString() { result = "LShift" }
}

/** INTERNAL: See the class `Lambda` for further information. */
class Lambda_ extends @py_Lambda, Expr {
  /** Gets the arguments of this lambda expression. */
  Arguments getArgs() { py_arguments(result, this) }

  /** Gets the function scope of this lambda expression. */
  Function getInnerScope() { py_Functions(result, this) }

  override string toString() { result = "Lambda" }
}

/** INTERNAL: See the class `List` for further information. */
class List_ extends @py_List, Expr {
  /** Gets the element list of this list expression. */
  ExprList getElts() { py_expr_lists(result, this, 2) }

  /** Gets the nth element of this list expression. */
  Expr getElt(int index) { result = this.getElts().getItem(index) }

  /** Gets an element of this list expression. */
  Expr getAnElt() { result = this.getElts().getAnItem() }

  /** Gets the context of this list expression. */
  ExprContext getCtx() { py_expr_contexts(result, _, this) }

  override string toString() { result = "List" }
}

/** INTERNAL: See the class `ListComp` for further information. */
class ListComp_ extends @py_ListComp, Expr {
  /** Gets the implementation of this list comprehension. */
  Function getFunction() { py_Functions(result, this) }

  /** Gets the iterable of this list comprehension. */
  Expr getIterable() { py_exprs(result, _, this, 3) }

  /** Gets the generators of this list comprehension. */
  ComprehensionList getGenerators() { py_comprehension_lists(result, this) }

  /** Gets the nth generator of this list comprehension. */
  Comprehension getGenerator(int index) { result = this.getGenerators().getItem(index) }

  /** Gets a generator of this list comprehension. */
  Comprehension getAGenerator() { result = this.getGenerators().getAnItem() }

  /** Gets the elements of this list comprehension. */
  Expr getElt() { py_exprs(result, _, this, 5) }

  override string toString() { result = "ListComp" }
}

/** INTERNAL: See the class `Load` for further information. */
class Load_ extends @py_Load, ExprContext {
  override string toString() { result = "Load" }
}

/** INTERNAL: See the class `Lt` for further information. */
class Lt_ extends @py_Lt, Cmpop {
  override string toString() { result = "Lt" }
}

/** INTERNAL: See the class `LtE` for further information. */
class LtE_ extends @py_LtE, Cmpop {
  override string toString() { result = "LtE" }
}

/** INTERNAL: See the class `MatMult` for further information. */
class MatMult_ extends @py_MatMult, Operator {
  override string toString() { result = "MatMult" }
}

/** INTERNAL: See the class `MatchStmt` for further information. */
class MatchStmt_ extends @py_MatchStmt, Stmt {
  /** Gets the subject of this match statement. */
  Expr getSubject() { py_exprs(result, _, this, 1) }

  /** Gets the cases of this match statement. */
  StmtList getCases() { py_stmt_lists(result, this, 2) }

  /** Gets the nth case of this match statement. */
  Stmt getCase(int index) { result = this.getCases().getItem(index) }

  /** Gets a case of this match statement. */
  Stmt getACase() { result = this.getCases().getAnItem() }

  override string toString() { result = "MatchStmt" }
}

/** INTERNAL: See the class `MatchAsPattern` for further information. */
class MatchAsPattern_ extends @py_MatchAsPattern, Pattern {
  /** Gets the pattern of this matchaspattern pattern. */
  Pattern getPattern() { py_patterns(result, _, this, 2) }

  /** Gets the alias of this matchaspattern pattern. */
  Expr getAlias() { py_exprs(result, _, this, 3) }

  override string toString() { result = "MatchAsPattern" }
}

/** INTERNAL: See the class `MatchCapturePattern` for further information. */
class MatchCapturePattern_ extends @py_MatchCapturePattern, Pattern {
  /** Gets the variable of this matchcapturepattern pattern. */
  Expr getVariable() { py_exprs(result, _, this, 2) }

  override string toString() { result = "MatchCapturePattern" }
}

/** INTERNAL: See the class `MatchClassPattern` for further information. */
class MatchClassPattern_ extends @py_MatchClassPattern, Pattern {
  /** Gets the class of this matchclasspattern pattern. */
  Expr getClass() { py_exprs(result, _, this, 2) }

  /** Gets the class_name of this matchclasspattern pattern. */
  Expr getClassName() { py_exprs(result, _, this, 3) }

  /** Gets the positional of this matchclasspattern pattern. */
  PatternList getPositional() { py_pattern_lists(result, this, 4) }

  /** Gets the nth positional of this matchclasspattern pattern. */
  Pattern getPositional(int index) { result = this.getPositional().getItem(index) }

  /** Gets a positional of this matchclasspattern pattern. */
  Pattern getAPositional() { result = this.getPositional().getAnItem() }

  /** Gets the keyword of this matchclasspattern pattern. */
  PatternList getKeyword() { py_pattern_lists(result, this, 5) }

  /** Gets the nth keyword of this matchclasspattern pattern. */
  Pattern getKeyword(int index) { result = this.getKeyword().getItem(index) }

  /** Gets a keyword of this matchclasspattern pattern. */
  Pattern getAKeyword() { result = this.getKeyword().getAnItem() }

  override string toString() { result = "MatchClassPattern" }
}

/** INTERNAL: See the class `MatchDoubleStarPattern` for further information. */
class MatchDoubleStarPattern_ extends @py_MatchDoubleStarPattern, Pattern {
  /** Gets the target of this matchdoublestarpattern pattern. */
  Pattern getTarget() { py_patterns(result, _, this, 2) }

  override string toString() { result = "MatchDoubleStarPattern" }
}

/** INTERNAL: See the class `MatchKeyValuePattern` for further information. */
class MatchKeyValuePattern_ extends @py_MatchKeyValuePattern, Pattern {
  /** Gets the key of this matchkeyvaluepattern pattern. */
  Pattern getKey() { py_patterns(result, _, this, 2) }

  /** Gets the value of this matchkeyvaluepattern pattern. */
  Pattern getValue() { py_patterns(result, _, this, 3) }

  override string toString() { result = "MatchKeyValuePattern" }
}

/** INTERNAL: See the class `MatchKeywordPattern` for further information. */
class MatchKeywordPattern_ extends @py_MatchKeywordPattern, Pattern {
  /** Gets the attribute of this matchkeywordpattern pattern. */
  Expr getAttribute() { py_exprs(result, _, this, 2) }

  /** Gets the value of this matchkeywordpattern pattern. */
  Pattern getValue() { py_patterns(result, _, this, 3) }

  override string toString() { result = "MatchKeywordPattern" }
}

/** INTERNAL: See the class `MatchLiteralPattern` for further information. */
class MatchLiteralPattern_ extends @py_MatchLiteralPattern, Pattern {
  /** Gets the literal of this matchliteralpattern pattern. */
  Expr getLiteral() { py_exprs(result, _, this, 2) }

  override string toString() { result = "MatchLiteralPattern" }
}

/** INTERNAL: See the class `MatchMappingPattern` for further information. */
class MatchMappingPattern_ extends @py_MatchMappingPattern, Pattern {
  /** Gets the mappings of this matchmappingpattern pattern. */
  PatternList getMappings() { py_pattern_lists(result, this, 2) }

  /** Gets the nth mapping of this matchmappingpattern pattern. */
  Pattern getMapping(int index) { result = this.getMappings().getItem(index) }

  /** Gets a mapping of this matchmappingpattern pattern. */
  Pattern getAMapping() { result = this.getMappings().getAnItem() }

  override string toString() { result = "MatchMappingPattern" }
}

/** INTERNAL: See the class `MatchOrPattern` for further information. */
class MatchOrPattern_ extends @py_MatchOrPattern, Pattern {
  /** Gets the patterns of this matchorpattern pattern. */
  PatternList getPatterns() { py_pattern_lists(result, this, 2) }

  /** Gets the nth pattern of this matchorpattern pattern. */
  Pattern getPattern(int index) { result = this.getPatterns().getItem(index) }

  /** Gets a pattern of this matchorpattern pattern. */
  Pattern getAPattern() { result = this.getPatterns().getAnItem() }

  override string toString() { result = "MatchOrPattern" }
}

/** INTERNAL: See the class `MatchSequencePattern` for further information. */
class MatchSequencePattern_ extends @py_MatchSequencePattern, Pattern {
  /** Gets the patterns of this matchsequencepattern pattern. */
  PatternList getPatterns() { py_pattern_lists(result, this, 2) }

  /** Gets the nth pattern of this matchsequencepattern pattern. */
  Pattern getPattern(int index) { result = this.getPatterns().getItem(index) }

  /** Gets a pattern of this matchsequencepattern pattern. */
  Pattern getAPattern() { result = this.getPatterns().getAnItem() }

  override string toString() { result = "MatchSequencePattern" }
}

/** INTERNAL: See the class `MatchStarPattern` for further information. */
class MatchStarPattern_ extends @py_MatchStarPattern, Pattern {
  /** Gets the target of this matchstarpattern pattern. */
  Pattern getTarget() { py_patterns(result, _, this, 2) }

  override string toString() { result = "MatchStarPattern" }
}

/** INTERNAL: See the class `MatchValuePattern` for further information. */
class MatchValuePattern_ extends @py_MatchValuePattern, Pattern {
  /** Gets the value of this matchvaluepattern pattern. */
  Expr getValue() { py_exprs(result, _, this, 2) }

  override string toString() { result = "MatchValuePattern" }
}

/** INTERNAL: See the class `MatchWildcardPattern` for further information. */
class MatchWildcardPattern_ extends @py_MatchWildcardPattern, Pattern {
  override string toString() { result = "MatchWildcardPattern" }
}

/** INTERNAL: See the class `Mod` for further information. */
class Mod_ extends @py_Mod, Operator {
  override string toString() { result = "Mod" }
}

/** INTERNAL: See the class `Module` for further information. */
class Module_ extends @py_Module {
  /** Gets the name of this module. */
  string getName() { py_strs(result, this, 0) }

  /** Gets the hash (not populated) of this module. */
  string getHash() { py_strs(result, this, 1) }

  /** Gets the body of this module. */
  StmtList getBody() { py_stmt_lists(result, this, 2) }

  /** Gets the nth statement of this module. */
  Stmt getStmt(int index) { result = this.getBody().getItem(index) }

  /** Gets a statement of this module. */
  Stmt getAStmt() { result = this.getBody().getAnItem() }

  /** Gets the kind of this module. */
  string getKind() { py_strs(result, this, 3) }

  /** Gets a textual representation of this element. */
  string toString() { result = "Module" }
}

/** INTERNAL: See the class `Mult` for further information. */
class Mult_ extends @py_Mult, Operator {
  override string toString() { result = "Mult" }
}

/** INTERNAL: See the class `Name` for further information. */
class Name_ extends @py_Name, Expr {
  /** Gets the variable of this name expression. */
  Variable getVariable() { py_variables(result, this) }

  /** Gets the context of this name expression. */
  ExprContext getCtx() { py_expr_contexts(result, _, this) }

  override ExprParent getParent() { py_exprs(this, _, result, _) }

  override string toString() { result = "Name" }
}

/** INTERNAL: See the class `Nonlocal` for further information. */
class Nonlocal_ extends @py_Nonlocal, Stmt {
  /** Gets the names of this nonlocal statement. */
  StringList getNames() { py_str_lists(result, this) }

  /** Gets the nth name of this nonlocal statement. */
  string getName(int index) { result = this.getNames().getItem(index) }

  /** Gets a name of this nonlocal statement. */
  string getAName() { result = this.getNames().getAnItem() }

  override string toString() { result = "Nonlocal" }
}

/** INTERNAL: See the class `Not` for further information. */
class Not_ extends @py_Not, Unaryop {
  override string toString() { result = "Not" }
}

/** INTERNAL: See the class `NotEq` for further information. */
class NotEq_ extends @py_NotEq, Cmpop {
  override string toString() { result = "NotEq" }
}

/** INTERNAL: See the class `NotIn` for further information. */
class NotIn_ extends @py_NotIn, Cmpop {
  override string toString() { result = "NotIn" }
}

/** INTERNAL: See the class `Num` for further information. */
class Num_ extends @py_Num, Expr {
  /** Gets the value of this numeric literal. */
  string getN() { py_numbers(result, this, 2) }

  /** Gets the text of this numeric literal. */
  string getText() { py_numbers(result, this, 3) }

  override string toString() { result = "Num" }
}

/** INTERNAL: See the class `Or` for further information. */
class Or_ extends @py_Or, Boolop {
  override string toString() { result = "Or" }
}

/** INTERNAL: See the class `Param` for further information. */
class Param_ extends @py_Param, ExprContext {
  override string toString() { result = "Param" }
}

/** INTERNAL: See the class `Pass` for further information. */
class Pass_ extends @py_Pass, Stmt {
  override string toString() { result = "Pass" }
}

/** INTERNAL: See the class `PlaceHolder` for further information. */
class PlaceHolder_ extends @py_PlaceHolder, Expr {
  /** Gets the variable of this template place-holder expression. */
  Variable getVariable() { py_variables(result, this) }

  /** Gets the context of this template place-holder expression. */
  ExprContext getCtx() { py_expr_contexts(result, _, this) }

  override string toString() { result = "PlaceHolder" }
}

/** INTERNAL: See the class `Pow` for further information. */
class Pow_ extends @py_Pow, Operator {
  override string toString() { result = "Pow" }
}

/** INTERNAL: See the class `Print` for further information. */
class Print_ extends @py_Print, Stmt {
  /** Gets the destination of this print statement. */
  Expr getDest() { py_exprs(result, _, this, 1) }

  /** Gets the values of this print statement. */
  ExprList getValues() { py_expr_lists(result, this, 2) }

  /** Gets the nth value of this print statement. */
  Expr getValue(int index) { result = this.getValues().getItem(index) }

  /** Gets a value of this print statement. */
  Expr getAValue() { result = this.getValues().getAnItem() }

  /** Whether the new line property of this print statement is true. */
  predicate isNl() { py_bools(this, 3) }

  override string toString() { result = "Print" }
}

/** INTERNAL: See the class `RShift` for further information. */
class RShift_ extends @py_RShift, Operator {
  override string toString() { result = "RShift" }
}

/** INTERNAL: See the class `Raise` for further information. */
class Raise_ extends @py_Raise, Stmt {
  /** Gets the exception of this raise statement. */
  Expr getExc() { py_exprs(result, _, this, 1) }

  /** Gets the cause of this raise statement. */
  Expr getCause() { py_exprs(result, _, this, 2) }

  /** Gets the type of this raise statement. */
  Expr getType() { py_exprs(result, _, this, 3) }

  /** Gets the instance of this raise statement. */
  Expr getInst() { py_exprs(result, _, this, 4) }

  /** Gets the traceback of this raise statement. */
  Expr getTback() { py_exprs(result, _, this, 5) }

  override string toString() { result = "Raise" }
}

/** INTERNAL: See the class `Repr` for further information. */
class Repr_ extends @py_Repr, Expr {
  /** Gets the value of this backtick expression. */
  Expr getValue() { py_exprs(result, _, this, 2) }

  override string toString() { result = "Repr" }
}

/** INTERNAL: See the class `Return` for further information. */
class Return_ extends @py_Return, Stmt {
  /** Gets the value of this return statement. */
  Expr getValue() { py_exprs(result, _, this, 1) }

  override string toString() { result = "Return" }
}

/** INTERNAL: See the class `Set` for further information. */
class Set_ extends @py_Set, Expr {
  /** Gets the elements of this set expression. */
  ExprList getElts() { py_expr_lists(result, this, 2) }

  /** Gets the nth element of this set expression. */
  Expr getElt(int index) { result = this.getElts().getItem(index) }

  /** Gets an element of this set expression. */
  Expr getAnElt() { result = this.getElts().getAnItem() }

  override string toString() { result = "Set" }
}

/** INTERNAL: See the class `SetComp` for further information. */
class SetComp_ extends @py_SetComp, Expr {
  /** Gets the implementation of this set comprehension. */
  Function getFunction() { py_Functions(result, this) }

  /** Gets the iterable of this set comprehension. */
  Expr getIterable() { py_exprs(result, _, this, 3) }

  override string toString() { result = "SetComp" }
}

/** INTERNAL: See the class `Slice` for further information. */
class Slice_ extends @py_Slice, Expr {
  /** Gets the start of this slice. */
  Expr getStart() { py_exprs(result, _, this, 2) }

  /** Gets the stop of this slice. */
  Expr getStop() { py_exprs(result, _, this, 3) }

  /** Gets the step of this slice. */
  Expr getStep() { py_exprs(result, _, this, 4) }

  override string toString() { result = "Slice" }
}

/** INTERNAL: See the class `SpecialOperation` for further information. */
class SpecialOperation_ extends @py_SpecialOperation, Expr {
  /** Gets the name of this special operation. */
  string getName() { py_strs(result, this, 2) }

  /** Gets the arguments of this special operation. */
  ExprList getArguments() { py_expr_lists(result, this, 3) }

  /** Gets the nth argument of this special operation. */
  Expr getArgument(int index) { result = this.getArguments().getItem(index) }

  /** Gets an argument of this special operation. */
  Expr getAnArgument() { result = this.getArguments().getAnItem() }

  override string toString() { result = "SpecialOperation" }
}

/** INTERNAL: See the class `Starred` for further information. */
class Starred_ extends @py_Starred, Expr {
  /** Gets the value of this starred expression. */
  Expr getValue() { py_exprs(result, _, this, 2) }

  /** Gets the context of this starred expression. */
  ExprContext getCtx() { py_expr_contexts(result, _, this) }

  override string toString() { result = "Starred" }
}

/** INTERNAL: See the class `Store` for further information. */
class Store_ extends @py_Store, ExprContext {
  override string toString() { result = "Store" }
}

/** INTERNAL: See the class `Str` for further information. */
class Str_ extends @py_Str, Expr {
  /** Gets the text of this string literal. */
  string getS() { py_strs(result, this, 2) }

  /** Gets the prefix of this string literal. */
  string getPrefix() { py_strs(result, this, 3) }

  /** Gets the implicitly_concatenated_parts of this string literal. */
  StringPartList getImplicitlyConcatenatedParts() { py_StringPart_lists(result, this) }

  /** Gets the nth implicitly_concatenated_part of this string literal. */
  StringPart getImplicitlyConcatenatedPart(int index) {
    result = this.getImplicitlyConcatenatedParts().getItem(index)
  }

  /** Gets an implicitly_concatenated_part of this string literal. */
  StringPart getAnImplicitlyConcatenatedPart() {
    result = this.getImplicitlyConcatenatedParts().getAnItem()
  }

  override string toString() { result = "Str" }
}

/** INTERNAL: See the class `StringPart` for further information. */
class StringPart_ extends @py_StringPart {
  /** Gets the text of this implicitly concatenated part. */
  string getText() { py_strs(result, this, 0) }

  /** Gets the location of this implicitly concatenated part. */
  Location getLocation() { py_locations(result, this) }

  /** Gets a parent of this implicitly concatenated part */
  StringPartList getParent() { py_StringParts(this, result, _) }

  /** Gets a textual representation of this element. */
  string toString() { result = "StringPart" }
}

/** INTERNAL: See the class `StringPartList` for further information. */
class StringPartList_ extends @py_StringPart_list {
  /** Gets a parent of this implicitly concatenated part list */
  BytesOrStr getParent() { py_StringPart_lists(this, result) }

  /** Gets an item of this implicitly concatenated part list */
  StringPart getAnItem() { py_StringParts(result, this, _) }

  /** Gets the nth item of this implicitly concatenated part list */
  StringPart getItem(int index) { py_StringParts(result, this, index) }

  /** Gets a textual representation of this element. */
  string toString() { result = "StringPartList" }
}

/** INTERNAL: See the class `Sub` for further information. */
class Sub_ extends @py_Sub, Operator {
  override string toString() { result = "Sub" }
}

/** INTERNAL: See the class `Subscript` for further information. */
class Subscript_ extends @py_Subscript, Expr {
  /** Gets the value of this subscript expression. */
  Expr getValue() { py_exprs(result, _, this, 2) }

  /** Gets the index of this subscript expression. */
  Expr getIndex() { py_exprs(result, _, this, 3) }

  /** Gets the context of this subscript expression. */
  ExprContext getCtx() { py_expr_contexts(result, _, this) }

  override string toString() { result = "Subscript" }
}

/** INTERNAL: See the class `TemplateDottedNotation` for further information. */
class TemplateDottedNotation_ extends @py_TemplateDottedNotation, Expr {
  /** Gets the object of this template dotted notation expression. */
  Expr getValue() { py_exprs(result, _, this, 2) }

  /** Gets the attribute name of this template dotted notation expression. */
  string getAttr() { py_strs(result, this, 3) }

  /** Gets the context of this template dotted notation expression. */
  ExprContext getCtx() { py_expr_contexts(result, _, this) }

  override string toString() { result = "TemplateDottedNotation" }
}

/** INTERNAL: See the class `TemplateWrite` for further information. */
class TemplateWrite_ extends @py_TemplateWrite, Stmt {
  /** Gets the value of this template write statement. */
  Expr getValue() { py_exprs(result, _, this, 1) }

  override string toString() { result = "TemplateWrite" }
}

/** INTERNAL: See the class `Try` for further information. */
class Try_ extends @py_Try, Stmt {
  /** Gets the body of this try statement. */
  StmtList getBody() { py_stmt_lists(result, this, 1) }

  /** Gets the nth statement of this try statement. */
  Stmt getStmt(int index) { result = this.getBody().getItem(index) }

  /** Gets a statement of this try statement. */
  Stmt getAStmt() { result = this.getBody().getAnItem() }

  /** Gets the else block of this try statement. */
  StmtList getOrelse() { py_stmt_lists(result, this, 2) }

  /** Gets the nth else statement of this try statement. */
  Stmt getOrelse(int index) { result = this.getOrelse().getItem(index) }

  /** Gets an else statement of this try statement. */
  Stmt getAnOrelse() { result = this.getOrelse().getAnItem() }

  /** Gets the exception handlers of this try statement. */
  StmtList getHandlers() { py_stmt_lists(result, this, 3) }

  /** Gets the nth exception handler of this try statement. */
  Stmt getHandler(int index) { result = this.getHandlers().getItem(index) }

  /** Gets an exception handler of this try statement. */
  Stmt getAHandler() { result = this.getHandlers().getAnItem() }

  /** Gets the finally block of this try statement. */
  StmtList getFinalbody() { py_stmt_lists(result, this, 4) }

  /** Gets the nth finally statement of this try statement. */
  Stmt getFinalstmt(int index) { result = this.getFinalbody().getItem(index) }

  /** Gets a finally statement of this try statement. */
  Stmt getAFinalstmt() { result = this.getFinalbody().getAnItem() }

  override string toString() { result = "Try" }
}

/** INTERNAL: See the class `Tuple` for further information. */
class Tuple_ extends @py_Tuple, Expr {
  /** Gets the elements of this tuple expression. */
  ExprList getElts() { py_expr_lists(result, this, 2) }

  /** Gets the nth element of this tuple expression. */
  Expr getElt(int index) { result = this.getElts().getItem(index) }

  /** Gets an element of this tuple expression. */
  Expr getAnElt() { result = this.getElts().getAnItem() }

  /** Gets the context of this tuple expression. */
  ExprContext getCtx() { py_expr_contexts(result, _, this) }

  override ExprParent getParent() { py_exprs(this, _, result, _) }

  override string toString() { result = "Tuple" }
}

/** INTERNAL: See the class `UAdd` for further information. */
class UAdd_ extends @py_UAdd, Unaryop {
  override string toString() { result = "UAdd" }
}

/** INTERNAL: See the class `USub` for further information. */
class USub_ extends @py_USub, Unaryop {
  override string toString() { result = "USub" }
}

/** INTERNAL: See the class `UnaryExpr` for further information. */
class UnaryExpr_ extends @py_UnaryExpr, Expr {
  /** Gets the operator of this unary expression. */
  Unaryop getOp() { py_unaryops(result, _, this) }

  /** Gets the operand of this unary expression. */
  Expr getOperand() { py_exprs(result, _, this, 3) }

  override string toString() { result = "UnaryExpr" }
}

/** INTERNAL: See the class `While` for further information. */
class While_ extends @py_While, Stmt {
  /** Gets the test of this while statement. */
  Expr getTest() { py_exprs(result, _, this, 1) }

  /** Gets the body of this while statement. */
  StmtList getBody() { py_stmt_lists(result, this, 2) }

  /** Gets the nth statement of this while statement. */
  Stmt getStmt(int index) { result = this.getBody().getItem(index) }

  /** Gets a statement of this while statement. */
  Stmt getAStmt() { result = this.getBody().getAnItem() }

  /** Gets the else block of this while statement. */
  StmtList getOrelse() { py_stmt_lists(result, this, 3) }

  /** Gets the nth else statement of this while statement. */
  Stmt getOrelse(int index) { result = this.getOrelse().getItem(index) }

  /** Gets an else statement of this while statement. */
  Stmt getAnOrelse() { result = this.getOrelse().getAnItem() }

  override string toString() { result = "While" }
}

/** INTERNAL: See the class `With` for further information. */
class With_ extends @py_With, Stmt {
  /** Gets the context manager of this with statement. */
  Expr getContextExpr() { py_exprs(result, _, this, 1) }

  /** Gets the optional variable of this with statement. */
  Expr getOptionalVars() { py_exprs(result, _, this, 2) }

  /** Gets the body of this with statement. */
  StmtList getBody() { py_stmt_lists(result, this, 3) }

  /** Gets the nth statement of this with statement. */
  Stmt getStmt(int index) { result = this.getBody().getItem(index) }

  /** Gets a statement of this with statement. */
  Stmt getAStmt() { result = this.getBody().getAnItem() }

  /** Whether the async property of this with statement is true. */
  predicate isAsync() { py_bools(this, 4) }

  override string toString() { result = "With" }
}

/** INTERNAL: See the class `Yield` for further information. */
class Yield_ extends @py_Yield, Expr {
  /** Gets the value of this yield expression. */
  Expr getValue() { py_exprs(result, _, this, 2) }

  override string toString() { result = "Yield" }
}

/** INTERNAL: See the class `YieldFrom` for further information. */
class YieldFrom_ extends @py_YieldFrom, Expr {
  /** Gets the value of this yield-from expression. */
  Expr getValue() { py_exprs(result, _, this, 2) }

  override string toString() { result = "YieldFrom" }
}

/** INTERNAL: See the class `Alias` for further information. */
class Alias_ extends @py_alias {
  /** Gets the value of this alias. */
  Expr getValue() { py_exprs(result, _, this, 0) }

  /** Gets the name of this alias. */
  Expr getAsname() { py_exprs(result, _, this, 1) }

  /** Gets a parent of this alias */
  AliasList getParent() { py_aliases(this, result, _) }

  /** Gets a textual representation of this element. */
  string toString() { result = "Alias" }
}

/** INTERNAL: See the class `AliasList` for further information. */
class AliasList_ extends @py_alias_list {
  /** Gets a parent of this alias list */
  Import getParent() { py_alias_lists(this, result) }

  /** Gets an item of this alias list */
  Alias getAnItem() { py_aliases(result, this, _) }

  /** Gets the nth item of this alias list */
  Alias getItem(int index) { py_aliases(result, this, index) }

  /** Gets a textual representation of this element. */
  string toString() { result = "AliasList" }
}

/** INTERNAL: See the class `Arguments` for further information. */
class Arguments_ extends @py_arguments {
  /** Gets the keyword-only default values of this parameters definition. */
  ExprList getKwDefaults() { py_expr_lists(result, this, 0) }

  /** Gets the nth keyword-only default value of this parameters definition. */
  Expr getKwDefault(int index) { result = this.getKwDefaults().getItem(index) }

  /** Gets a keyword-only default value of this parameters definition. */
  Expr getAKwDefault() { result = this.getKwDefaults().getAnItem() }

  /** Gets the default values of this parameters definition. */
  ExprList getDefaults() { py_expr_lists(result, this, 1) }

  /** Gets the nth default value of this parameters definition. */
  Expr getDefault(int index) { result = this.getDefaults().getItem(index) }

  /** Gets a default value of this parameters definition. */
  Expr getADefault() { result = this.getDefaults().getAnItem() }

  /** Gets the annotations of this parameters definition. */
  ExprList getAnnotations() { py_expr_lists(result, this, 2) }

  /** Gets the nth annotation of this parameters definition. */
  Expr getAnnotation(int index) { result = this.getAnnotations().getItem(index) }

  /** Gets an annotation of this parameters definition. */
  Expr getAnAnnotation() { result = this.getAnnotations().getAnItem() }

  /** Gets the *arg annotation of this parameters definition. */
  Expr getVarargannotation() { py_exprs(result, _, this, 3) }

  /** Gets the **kwarg annotation of this parameters definition. */
  Expr getKwargannotation() { py_exprs(result, _, this, 4) }

  /** Gets the keyword-only annotations of this parameters definition. */
  ExprList getKwAnnotations() { py_expr_lists(result, this, 5) }

  /** Gets the nth keyword-only annotation of this parameters definition. */
  Expr getKwAnnotation(int index) { result = this.getKwAnnotations().getItem(index) }

  /** Gets a keyword-only annotation of this parameters definition. */
  Expr getAKwAnnotation() { result = this.getKwAnnotations().getAnItem() }

  /** Gets a parent of this parameters definition */
  ArgumentsParent getParent() { py_arguments(this, result) }

  /** Gets a textual representation of this element. */
  string toString() { result = "Arguments" }
}

/** INTERNAL: See the class `ArgumentsParent` for further information. */
class ArgumentsParent_ extends @py_arguments_parent {
  /** Gets a textual representation of this element. */
  string toString() { result = "ArgumentsParent" }
}

/** INTERNAL: See the class `AstNode` for further information. */
class AstNode_ extends @py_ast_node {
  /** Gets a textual representation of this element. */
  string toString() { result = "AstNode" }
}

/** INTERNAL: See the class `BoolParent` for further information. */
class BoolParent_ extends @py_bool_parent {
  /** Gets a textual representation of this element. */
  string toString() { result = "BoolParent" }
}

/** INTERNAL: See the class `Boolop` for further information. */
class Boolop_ extends @py_boolop {
  /** Gets a parent of this boolean operator */
  BoolExpr getParent() { py_boolops(this, _, result) }

  /** Gets a textual representation of this element. */
  string toString() { result = "Boolop" }
}

/** INTERNAL: See the class `Cmpop` for further information. */
class Cmpop_ extends @py_cmpop {
  /** Gets a parent of this comparison operator */
  CmpopList getParent() { py_cmpops(this, _, result, _) }

  /** Gets a textual representation of this element. */
  string toString() { result = "Cmpop" }
}

/** INTERNAL: See the class `CmpopList` for further information. */
class CmpopList_ extends @py_cmpop_list {
  /** Gets a parent of this comparison operator list */
  Compare getParent() { py_cmpop_lists(this, result) }

  /** Gets an item of this comparison operator list */
  Cmpop getAnItem() { py_cmpops(result, _, this, _) }

  /** Gets the nth item of this comparison operator list */
  Cmpop getItem(int index) { py_cmpops(result, _, this, index) }

  /** Gets a textual representation of this element. */
  string toString() { result = "CmpopList" }
}

/** INTERNAL: See the class `Comprehension` for further information. */
class Comprehension_ extends @py_comprehension {
  /** Gets the location of this comprehension. */
  Location getLocation() { py_locations(result, this) }

  /** Gets the iterable of this comprehension. */
  Expr getIter() { py_exprs(result, _, this, 1) }

  /** Gets the target of this comprehension. */
  Expr getTarget() { py_exprs(result, _, this, 2) }

  /** Gets the conditions of this comprehension. */
  ExprList getIfs() { py_expr_lists(result, this, 3) }

  /** Gets the nth condition of this comprehension. */
  Expr getIf(int index) { result = this.getIfs().getItem(index) }

  /** Gets a condition of this comprehension. */
  Expr getAnIf() { result = this.getIfs().getAnItem() }

  /** Gets a parent of this comprehension */
  ComprehensionList getParent() { py_comprehensions(this, result, _) }

  /** Gets a textual representation of this element. */
  string toString() { result = "Comprehension" }
}

/** INTERNAL: See the class `ComprehensionList` for further information. */
class ComprehensionList_ extends @py_comprehension_list {
  /** Gets a parent of this comprehension list */
  ListComp getParent() { py_comprehension_lists(this, result) }

  /** Gets an item of this comprehension list */
  Comprehension getAnItem() { py_comprehensions(result, this, _) }

  /** Gets the nth item of this comprehension list */
  Comprehension getItem(int index) { py_comprehensions(result, this, index) }

  /** Gets a textual representation of this element. */
  string toString() { result = "ComprehensionList" }
}

/** INTERNAL: See the class `DictItem` for further information. */
class DictItem_ extends @py_dict_item {
  /** Gets a parent of this dict_item */
  DictItemList getParent() { py_dict_items(this, _, result, _) }

  /** Gets a textual representation of this element. */
  string toString() { result = "DictItem" }
}

/** INTERNAL: See the class `DictItemList` for further information. */
class DictItemList_ extends @py_dict_item_list {
  /** Gets a parent of this dict_item list */
  DictItemListParent getParent() { py_dict_item_lists(this, result) }

  /** Gets an item of this dict_item list */
  DictItem getAnItem() { py_dict_items(result, _, this, _) }

  /** Gets the nth item of this dict_item list */
  DictItem getItem(int index) { py_dict_items(result, _, this, index) }

  /** Gets a textual representation of this element. */
  string toString() { result = "DictItemList" }
}

/** INTERNAL: See the class `DictItemListParent` for further information. */
class DictItemListParent_ extends @py_dict_item_list_parent {
  /** Gets a textual representation of this element. */
  string toString() { result = "DictItemListParent" }
}

/** INTERNAL: See the class `Expr` for further information. */
class Expr_ extends @py_expr {
  /** Gets the location of this expression. */
  Location getLocation() { py_locations(result, this) }

  /** Whether the parenthesised property of this expression is true. */
  predicate isParenthesised() { py_bools(this, 1) }

  /** Gets a parent of this expression */
  ExprParent getParent() { py_exprs(this, _, result, _) }

  /** Gets a textual representation of this element. */
  string toString() { result = "Expr" }
}

/** INTERNAL: See the class `ExprContext` for further information. */
class ExprContext_ extends @py_expr_context {
  /** Gets a parent of this expression context */
  ExprContextParent getParent() { py_expr_contexts(this, _, result) }

  /** Gets a textual representation of this element. */
  string toString() { result = "ExprContext" }
}

/** INTERNAL: See the class `ExprContextParent` for further information. */
class ExprContextParent_ extends @py_expr_context_parent {
  /** Gets a textual representation of this element. */
  string toString() { result = "ExprContextParent" }
}

/** INTERNAL: See the class `ExprList` for further information. */
class ExprList_ extends @py_expr_list {
  /** Gets a parent of this expression list */
  ExprListParent getParent() { py_expr_lists(this, result, _) }

  /** Gets an item of this expression list */
  Expr getAnItem() { py_exprs(result, _, this, _) }

  /** Gets the nth item of this expression list */
  Expr getItem(int index) { py_exprs(result, _, this, index) }

  /** Gets a textual representation of this element. */
  string toString() { result = "ExprList" }
}

/** INTERNAL: See the class `ExprListParent` for further information. */
class ExprListParent_ extends @py_expr_list_parent {
  /** Gets a textual representation of this element. */
  string toString() { result = "ExprListParent" }
}

/** INTERNAL: See the class `ExprOrStmt` for further information. */
class ExprOrStmt_ extends @py_expr_or_stmt {
  /** Gets a textual representation of this element. */
  string toString() { result = "ExprOrStmt" }
}

/** INTERNAL: See the class `ExprParent` for further information. */
class ExprParent_ extends @py_expr_parent {
  /** Gets a textual representation of this element. */
  string toString() { result = "ExprParent" }
}

/** INTERNAL: See the class `Keyword` for further information. */
class Keyword_ extends @py_keyword, DictItem {
  /** Gets the location of this keyword argument. */
  override Location getLocation() { py_locations(result, this) }

  /** Gets the value of this keyword argument. */
  Expr getValue() { py_exprs(result, _, this, 1) }

  /** Gets the arg of this keyword argument. */
  string getArg() { py_strs(result, this, 2) }

  override string toString() { result = "Keyword" }
}

/** INTERNAL: See the class `LocationParent` for further information. */
class LocationParent_ extends @py_location_parent {
  /** Gets a textual representation of this element. */
  string toString() { result = "LocationParent" }
}

/** INTERNAL: See the class `Operator` for further information. */
class Operator_ extends @py_operator {
  /** Gets a parent of this operator */
  BinaryExpr getParent() { py_operators(this, _, result) }

  /** Gets a textual representation of this element. */
  string toString() { result = "Operator" }
}

/** INTERNAL: See the class `Parameter` for further information. */
class Parameter_ extends @py_parameter {
  /** Gets a textual representation of this element. */
  string toString() { result = "Parameter" }
}

/** INTERNAL: See the class `Pattern` for further information. */
class Pattern_ extends @py_pattern {
  /** Gets the location of this pattern. */
  Location getLocation() { py_locations(result, this) }

  /** Whether the parenthesised property of this pattern is true. */
  predicate isParenthesised() { py_bools(this, 1) }

  /** Gets a parent of this pattern */
  PatternParent getParent() { py_patterns(this, _, result, _) }

  /** Gets a textual representation of this element. */
  string toString() { result = "Pattern" }
}

/** INTERNAL: See the class `PatternList` for further information. */
class PatternList_ extends @py_pattern_list {
  /** Gets a parent of this pattern list */
  PatternListParent getParent() { py_pattern_lists(this, result, _) }

  /** Gets an item of this pattern list */
  Pattern getAnItem() { py_patterns(result, _, this, _) }

  /** Gets the nth item of this pattern list */
  Pattern getItem(int index) { py_patterns(result, _, this, index) }

  /** Gets a textual representation of this element. */
  string toString() { result = "PatternList" }
}

/** INTERNAL: See the class `PatternListParent` for further information. */
class PatternListParent_ extends @py_pattern_list_parent {
  /** Gets a textual representation of this element. */
  string toString() { result = "PatternListParent" }
}

/** INTERNAL: See the class `PatternParent` for further information. */
class PatternParent_ extends @py_pattern_parent {
  /** Gets a textual representation of this element. */
  string toString() { result = "PatternParent" }
}

/** INTERNAL: See the class `Scope` for further information. */
class Scope_ extends @py_scope {
  /** Gets a textual representation of this element. */
  string toString() { result = "Scope" }
}

/** INTERNAL: See the class `Stmt` for further information. */
class Stmt_ extends @py_stmt {
  /** Gets the location of this statement. */
  Location getLocation() { py_locations(result, this) }

  /** Gets a parent of this statement */
  StmtList getParent() { py_stmts(this, _, result, _) }

  /** Gets a textual representation of this element. */
  string toString() { result = "Stmt" }
}

/** INTERNAL: See the class `StmtList` for further information. */
class StmtList_ extends @py_stmt_list {
  /** Gets a parent of this statement list */
  StmtListParent getParent() { py_stmt_lists(this, result, _) }

  /** Gets an item of this statement list */
  Stmt getAnItem() { py_stmts(result, _, this, _) }

  /** Gets the nth item of this statement list */
  Stmt getItem(int index) { py_stmts(result, _, this, index) }

  /** Gets a textual representation of this element. */
  string toString() { result = "StmtList" }
}

/** INTERNAL: See the class `StmtListParent` for further information. */
class StmtListParent_ extends @py_stmt_list_parent {
  /** Gets a textual representation of this element. */
  string toString() { result = "StmtListParent" }
}

/** INTERNAL: See the class `StringList` for further information. */
class StringList_ extends @py_str_list {
  /** Gets a parent of this string list */
  StrListParent getParent() { py_str_lists(this, result) }

  /** Gets an item of this string list */
  string getAnItem() { py_strs(result, this, _) }

  /** Gets the nth item of this string list */
  string getItem(int index) { py_strs(result, this, index) }

  /** Gets a textual representation of this element. */
  string toString() { result = "StringList" }
}

/** INTERNAL: See the class `StrListParent` for further information. */
class StrListParent_ extends @py_str_list_parent {
  /** Gets a textual representation of this element. */
  string toString() { result = "StrListParent" }
}

/** INTERNAL: See the class `StrParent` for further information. */
class StrParent_ extends @py_str_parent {
  /** Gets a textual representation of this element. */
  string toString() { result = "StrParent" }
}

/** INTERNAL: See the class `Unaryop` for further information. */
class Unaryop_ extends @py_unaryop {
  /** Gets a parent of this unary operation */
  UnaryExpr getParent() { py_unaryops(this, _, result) }

  /** Gets a textual representation of this element. */
  string toString() { result = "Unaryop" }
}

/** INTERNAL: See the class `VariableParent` for further information. */
class VariableParent_ extends @py_variable_parent {
  /** Gets a textual representation of this element. */
  string toString() { result = "VariableParent" }
}