attributes.cs:
#   12| [AssemblyAttribute] [assembly: AssemblyTitle(...)]
#   12|   -1: [TypeMention] AssemblyTitleAttribute
#   12|   0: [StringLiteralUtf16] "C# attributes test"
#   13| [AssemblyAttribute] [assembly: AssemblyDescription(...)]
#   13|   -1: [TypeMention] AssemblyDescriptionAttribute
#   13|   0: [StringLiteralUtf16] "A test of C# attributes"
#   14| [AssemblyAttribute] [assembly: AssemblyConfiguration(...)]
#   14|   -1: [TypeMention] AssemblyConfigurationAttribute
#   14|   0: [StringLiteralUtf16] ""
#   15| [AssemblyAttribute] [assembly: AssemblyCompany(...)]
#   15|   -1: [TypeMention] AssemblyCompanyAttribute
#   15|   0: [StringLiteralUtf16] "Semmle Plc"
#   16| [AssemblyAttribute] [assembly: AssemblyProduct(...)]
#   16|   -1: [TypeMention] AssemblyProductAttribute
#   16|   0: [StringLiteralUtf16] "Odasa"
#   17| [AssemblyAttribute] [assembly: AssemblyCopyright(...)]
#   17|   -1: [TypeMention] AssemblyCopyrightAttribute
#   17|   0: [StringLiteralUtf16] "Copyright © Semmle 2018"
#   18| [AssemblyAttribute] [assembly: AssemblyTrademark(...)]
#   18|   -1: [TypeMention] AssemblyTrademarkAttribute
#   18|   0: [StringLiteralUtf16] ""
#   19| [AssemblyAttribute] [assembly: AssemblyCulture(...)]
#   19|   -1: [TypeMention] AssemblyCultureAttribute
#   19|   0: [StringLiteralUtf16] ""
#   24| [AssemblyAttribute] [assembly: ComVisible(...)]
#   24|   -1: [TypeMention] ComVisibleAttribute
#   24|   0: [BoolLiteral] false
#   27| [AssemblyAttribute] [assembly: Guid(...)]
#   27|   -1: [TypeMention] GuidAttribute
#   27|   0: [StringLiteralUtf16] "2f70fdd6-14aa-4850-b053-d547adb1f476"
#   39| [AssemblyAttribute] [assembly: AssemblyVersion(...)]
#   39|   -1: [TypeMention] AssemblyVersionAttribute
#   39|   0: [StringLiteralUtf16] "1.0.0.0"
#   40| [AssemblyAttribute] [assembly: AssemblyFileVersion(...)]
#   40|   -1: [TypeMention] AssemblyFileVersionAttribute
#   40|   0: [StringLiteralUtf16] "1.0.0.0"
#   42| [AssemblyAttribute] [assembly: Args(...)]
#   42|   -1: [TypeMention] ArgsAttribute
#   42|   0: [IntLiteral] 0
#   42|   1: [ArrayCreation] array creation of type Object[]
#   42|     -2: [TypeMention] Object[]
#   42|       1: [TypeMention] object
#   42|     -1: [ArrayInitializer] { ..., ... }
#   42|       0: [CastExpr] (...) ...
#   42|         1: [IntLiteral] 1
#   42|       1: [CastExpr] (...) ...
#   42|         1: [IntLiteral] 2
#   42|       2: [NullLiteral] null
#   42|   2: [TypeofExpr] typeof(...)
#   42|     0: [TypeAccess] access to type ArgsAttribute
#   42|       0: [TypeMention] ArgsAttribute
#   42|   3: [CastExpr] (...) ...
#   42|     0: [TypeAccess] access to type E
#   42|       0: [TypeMention] E
#   42|     1: [IntLiteral] 12
#   42|   4: [NullLiteral] null
#   42|   5: [ArrayCreation] array creation of type Object[]
#   42|     -2: [TypeMention] Object[]
#   42|       1: [TypeMention] object
#   42|     -1: [ArrayInitializer] { ..., ... }
#   42|       0: [CastExpr] (...) ...
#   42|         1: [IntLiteral] 1
#   42|       1: [TypeofExpr] typeof(...)
#   42|         0: [TypeAccess] access to type Int32
#   42|           0: [TypeMention] int
#   43| [ModuleAttribute] [module: Args(...)]
#   43|   -1: [TypeMention] ArgsAttribute
#   43|   0: [IntLiteral] 0
#   43|   1: [ArrayCreation] array creation of type Object[]
#   43|     -2: [TypeMention] Object[]
#   43|       1: [TypeMention] object
#   43|     -1: [ArrayInitializer] { ..., ... }
#   43|       0: [CastExpr] (...) ...
#   43|         1: [IntLiteral] 1
#   43|       1: [CastExpr] (...) ...
#   43|         1: [IntLiteral] 2
#   43|       2: [NullLiteral] null
#   43|   2: [TypeofExpr] typeof(...)
#   43|     0: [TypeAccess] access to type ArgsAttribute
#   43|       0: [TypeMention] ArgsAttribute
#   43|   3: [CastExpr] (...) ...
#   43|     0: [TypeAccess] access to type E
#   43|       0: [TypeMention] E
#   43|     1: [IntLiteral] 12
#   43|   4: [NullLiteral] null
#   43|   5: [ArrayCreation] array creation of type Object[]
#   43|     -2: [TypeMention] Object[]
#   43|       1: [TypeMention] object
#   43|     -1: [ArrayInitializer] { ..., ... }
#   43|       0: [CastExpr] (...) ...
#   43|         1: [IntLiteral] 1
#   43|       1: [TypeofExpr] typeof(...)
#   43|         0: [TypeAccess] access to type Int32
#   43|           0: [TypeMention] int
#   46| [Class] Foo
#-----|   0: (Attributes)
#   45|     1: [DefaultAttribute] [AttributeUsage(...)]
#   45|       -1: [TypeMention] AttributeUsageAttribute
#   45|       0: [MemberConstantAccess] access to constant All
#   45|         -1: [TypeAccess] access to type AttributeTargets
#   45|           0: [TypeMention] AttributeTargets
#-----|   3: (Base types)
#   46|     0: [TypeMention] Attribute
#   49|   5: [Method] foo
#   49|     -1: [TypeMention] Void
#-----|     0: (Attributes)
#   48|       1: [DefaultAttribute] [Conditional(...)]
#   48|         -1: [TypeMention] ConditionalAttribute
#   48|         0: [StringLiteralUtf16] "DEBUG2"
#   49|     4: [BlockStmt] {...}
#   52| [Class] Bar
#   54|   5: [Method] inc
#   54|     -1: [TypeMention] int
#-----|     2: (Parameters)
#   54|       0: [Parameter] x
#   54|         -1: [TypeMention] int
#-----|         0: (Attributes)
#   54|           1: [DefaultAttribute] [Foo(...)]
#   54|             0: [TypeMention] Foo
#   54|     4: [BlockStmt] {...}
#   54|       0: [ReturnStmt] return ...;
#   54|         0: [AddExpr] ... + ...
#   54|           0: [ParameterAccess] access to parameter x
#   54|           1: [IntLiteral] 1
#   57|   6: [Method] M1
#   57|     -1: [TypeMention] Void
#-----|     0: (Attributes)
#   56|       1: [DefaultAttribute] [My(...)]
#   56|         -1: [TypeMention] MyAttribute
#   56|         0: [BoolLiteral] false
#   57|     4: [BlockStmt] {...}
#   61|   7: [Method] M2
#   61|     -1: [TypeMention] Void
#-----|     0: (Attributes)
#   59|       1: [DefaultAttribute] [My(...)]
#   59|         -1: [TypeMention] MyAttribute
#   59|         0: [BoolLiteral] true
#   59|         1: [StringLiteralUtf16] ""
#   59|         2: [IntLiteral] 0
#   60|       2: [DefaultAttribute] [My2(...)]
#   60|         -1: [TypeMention] My2Attribute
#   60|         0: [BoolLiteral] false
#   60|         1: [BoolLiteral] true
#   60|         3: [IntLiteral] 1
#   60|         4: [IntLiteral] 42
#   61|     4: [BlockStmt] {...}
#   64| [Class] MyAttribute
#-----|   3: (Base types)
#   64|     0: [TypeMention] Attribute
#   66|   4: [Field] x
#   66|     -1: [TypeMention] int
#   67|   5: [Property] y
#   67|     -1: [TypeMention] string
#   67|     3: [Getter] get_y
#   67|     4: [Setter] set_y
#-----|       2: (Parameters)
#   67|         0: [Parameter] value
#   68|   6: [InstanceConstructor] MyAttribute
#-----|     2: (Parameters)
#   68|       0: [Parameter] b
#   68|         -1: [TypeMention] bool
#   68|     4: [BlockStmt] {...}
#   71| [Enum] E
#   71|   5: [Field] A
#   71|     1: [IntLiteral] 42
#   73| [Class] ArgsAttribute
#-----|   3: (Base types)
#   73|     0: [TypeMention] Attribute
#   75|   4: [Property] Prop
#   75|     -1: [TypeMention] Object[]
#   75|       1: [TypeMention] object
#   75|     3: [Getter] get_Prop
#   75|     4: [Setter] set_Prop
#-----|       2: (Parameters)
#   75|         0: [Parameter] value
#   76|   5: [InstanceConstructor] ArgsAttribute
#-----|     2: (Parameters)
#   76|       0: [Parameter] i
#   76|         -1: [TypeMention] int
#   76|       1: [Parameter] o
#   76|         -1: [TypeMention] object
#   76|       2: [Parameter] t
#   76|         -1: [TypeMention] Type
#   76|       3: [Parameter] e
#   76|         -1: [TypeMention] E
#   76|       4: [Parameter] arr
#   76|         -1: [TypeMention] Int32[]
#   76|           1: [TypeMention] int
#   76|     4: [BlockStmt] {...}
#   80| [Class] X
#-----|   0: (Attributes)
#   79|     1: [DefaultAttribute] [Args(...)]
#   79|       -1: [TypeMention] ArgsAttribute
#   79|       0: [IntLiteral] 42
#   79|       1: [NullLiteral] null
#   79|       2: [TypeofExpr] typeof(...)
#   79|         0: [TypeAccess] access to type X
#   79|           0: [TypeMention] X
#   79|       3: [MemberConstantAccess] access to constant A
#   79|         -1: [TypeAccess] access to type E
#   79|           0: [TypeMention] E
#   79|       4: [ArrayCreation] array creation of type Int32[]
#   79|         -2: [TypeMention] Int32[]
#   79|           1: [TypeMention] int
#   79|         -1: [ArrayInitializer] { ..., ... }
#   79|           0: [IntLiteral] 1
#   79|           1: [IntLiteral] 2
#   79|           2: [IntLiteral] 3
#   79|       5: [ArrayCreation] array creation of type Object[]
#   79|         -2: [TypeMention] Object[]
#   79|           1: [TypeMention] object
#   79|         -1: [ArrayInitializer] { ..., ... }
#   79|           0: [CastExpr] (...) ...
#   79|             1: [IntLiteral] 1
#   79|           1: [TypeofExpr] typeof(...)
#   79|             0: [TypeAccess] access to type Int32
#   79|               0: [TypeMention] int
#   84|   5: [Method] SomeMethod
#   84|     -1: [TypeMention] int
#-----|     0: (Attributes)
#   82|       1: [DefaultAttribute] [Args(...)]
#   82|         -1: [TypeMention] ArgsAttribute
#   82|         0: [AddExpr] ... + ...
#   82|           0: [IntLiteral] 42
#   82|           1: [IntLiteral] 0
#   82|         1: [ArrayCreation] array creation of type Int32[]
#   82|           -2: [TypeMention] Int32[]
#   82|             1: [TypeMention] int
#   82|           -1: [ArrayInitializer] { ..., ... }
#   82|             0: [IntLiteral] 1
#   82|             1: [IntLiteral] 2
#   82|             2: [IntLiteral] 3
#   82|         2: [NullLiteral] null
#   82|         3: [CastExpr] (...) ...
#   82|           0: [TypeAccess] access to type E
#   82|             0: [TypeMention] E
#   82|           1: [IntLiteral] 12
#   82|         4: [NullLiteral] null
#   82|         5: [ArrayCreation] array creation of type Object[]
#   82|           -2: [TypeMention] Object[]
#   82|             1: [TypeMention] object
#   82|           -1: [ArrayInitializer] { ..., ... }
#   82|             0: [CastExpr] (...) ...
#   82|               1: [IntLiteral] 1
#   82|             1: [TypeofExpr] typeof(...)
#   82|               0: [TypeAccess] access to type Int32
#   82|                 0: [TypeMention] int
#   83|       2: [ReturnAttribute] [return: Args(...)]
#   83|         -1: [TypeMention] ArgsAttribute
#   83|         0: [AddExpr] ... + ...
#   83|           0: [IntLiteral] 42
#   83|           1: [IntLiteral] 0
#   83|         1: [ArrayCreation] array creation of type Int32[]
#   83|           -2: [TypeMention] Int32[]
#   83|             1: [TypeMention] int
#   83|           -1: [ArrayInitializer] { ..., ... }
#   83|             0: [IntLiteral] 1
#   83|             1: [IntLiteral] 2
#   83|             2: [IntLiteral] 3
#   83|         2: [NullLiteral] null
#   83|         3: [CastExpr] (...) ...
#   83|           0: [TypeAccess] access to type E
#   83|             0: [TypeMention] E
#   83|           1: [IntLiteral] 12
#   83|         4: [NullLiteral] null
#   83|         5: [ArrayCreation] array creation of type Object[]
#   83|           -2: [TypeMention] Object[]
#   83|             1: [TypeMention] object
#   83|           -1: [ArrayInitializer] { ..., ... }
#   83|             0: [CastExpr] (...) ...
#   83|               1: [IntLiteral] 1
#   83|             1: [TypeofExpr] typeof(...)
#   83|               0: [TypeAccess] access to type Int32
#   83|                 0: [TypeMention] int
#   84|     4: [BlockStmt] {...}
#   84|       0: [ReturnStmt] return ...;
#   84|         0: [IntLiteral] 1
#   87| [Class] My2Attribute
#-----|   3: (Base types)
#   87|     0: [TypeMention] Attribute
#   89|   4: [Property] X
#   89|     -1: [TypeMention] int
#   89|     3: [Getter] get_X
#   89|     4: [Setter] set_X
#-----|       2: (Parameters)
#   89|         0: [Parameter] value
#   90|   5: [InstanceConstructor] My2Attribute
#-----|     2: (Parameters)
#   90|       0: [Parameter] a
#   90|         -1: [TypeMention] bool
#   90|       1: [Parameter] b
#   90|         -1: [TypeMention] bool
#   90|       2: [Parameter] i
#   90|         -1: [TypeMention] int
#   90|         1: [IntLiteral] 12
#   90|       3: [Parameter] j
#   90|         -1: [TypeMention] int
#   90|         1: [IntLiteral] 13
#   90|     4: [BlockStmt] {...}
#   93| [Class] My3Attribute
#-----|   3: (Base types)
#   93|     0: [TypeMention] Attribute
#   95|   4: [InstanceConstructor] My3Attribute
#-----|     2: (Parameters)
#   95|       0: [Parameter] x
#   95|         -1: [TypeMention] int
#   95|     4: [BlockStmt] {...}
#  100| [DelegateType] My1Delegate
#-----|   0: (Attributes)
#   98|     1: [DefaultAttribute] [My3(...)]
#   98|       -1: [TypeMention] My3Attribute
#   98|       0: [IntLiteral] 1
#-----|   2: (Parameters)
#  100|     0: [Parameter] message
#  100|       -1: [TypeMention] string
#  104| [DelegateType] My2Delegate
#-----|   0: (Attributes)
#  103|     1: [DefaultAttribute] [My3(...)]
#  103|       -1: [TypeMention] My3Attribute
#  103|       0: [IntLiteral] 4
#-----|   2: (Parameters)
#  104|     0: [Parameter] message
#  104|       -1: [TypeMention] string
#  106| [Class] MyAttributeUsage
#  110|   5: [AddOperator] +
#  110|     -1: [TypeMention] int
#-----|     0: (Attributes)
#  108|       1: [DefaultAttribute] [My3(...)]
#  108|         -1: [TypeMention] My3Attribute
#  108|         0: [IntLiteral] 5
#  109|       2: [ReturnAttribute] [return: My3(...)]
#  109|         -1: [TypeMention] My3Attribute
#  109|         0: [IntLiteral] 6
#-----|     2: (Parameters)
#  110|       0: [Parameter] a
#  110|         -1: [TypeMention] MyAttributeUsage
#  110|       1: [Parameter] b
#  110|         -1: [TypeMention] MyAttributeUsage
#  110|     4: [IntLiteral] 0
#  113|   6: [Indexer] Item
#  113|     -1: [TypeMention] int
#-----|     0: (Attributes)
#  112|       1: [DefaultAttribute] [My3(...)]
#  112|         -1: [TypeMention] My3Attribute
#  112|         0: [IntLiteral] 15
#-----|     1: (Parameters)
#  113|       0: [Parameter] x
#  113|         -1: [TypeMention] int
#  117|     3: [Getter] get_Item
#-----|       0: (Attributes)
#  115|         1: [DefaultAttribute] [My3(...)]
#  115|           -1: [TypeMention] My3Attribute
#  115|           0: [IntLiteral] 7
#  116|         2: [ReturnAttribute] [return: My3(...)]
#  116|           -1: [TypeMention] My3Attribute
#  116|           0: [IntLiteral] 8
#-----|       2: (Parameters)
#  113|         0: [Parameter] x
#  117|       4: [BlockStmt] {...}
#  117|         0: [ReturnStmt] return ...;
#  117|           0: [AddExpr] ... + ...
#  117|             0: [ParameterAccess] access to parameter x
#  117|             1: [IntLiteral] 1
#  121|     4: [Setter] set_Item
#-----|       0: (Attributes)
#  119|         1: [DefaultAttribute] [My3(...)]
#  119|           -1: [TypeMention] My3Attribute
#  119|           0: [IntLiteral] 9
#-----|       2: (Parameters)
#  113|         0: [Parameter] x
#  121|         1: [Parameter] value
#-----|           0: (Attributes)
#  120|             1: [DefaultAttribute] [My3(...)]
#  120|               -1: [TypeMention] My3Attribute
#  120|               0: [IntLiteral] 10
#  121|       4: [BlockStmt] {...}
#  121|         0: [ReturnStmt] return ...;
#  124|   7: [Field] p
#  124|     -1: [TypeMention] int
#  126|   8: [Property] Prop1
#  126|     -1: [TypeMention] int
#-----|     0: (Attributes)
#  125|       1: [DefaultAttribute] [My3(...)]
#  125|         -1: [TypeMention] My3Attribute
#  125|         0: [IntLiteral] 16
#  130|     3: [Getter] get_Prop1
#-----|       0: (Attributes)
#  128|         1: [DefaultAttribute] [My3(...)]
#  128|           -1: [TypeMention] My3Attribute
#  128|           0: [IntLiteral] 11
#  129|         2: [ReturnAttribute] [return: My3(...)]
#  129|           -1: [TypeMention] My3Attribute
#  129|           0: [IntLiteral] 12
#  130|       4: [BlockStmt] {...}
#  130|         0: [ReturnStmt] return ...;
#  130|           0: [FieldAccess] access to field p
#  134|     4: [Setter] set_Prop1
#-----|       0: (Attributes)
#  132|         1: [DefaultAttribute] [My3(...)]
#  132|           -1: [TypeMention] My3Attribute
#  132|           0: [IntLiteral] 13
#-----|       2: (Parameters)
#  134|         0: [Parameter] value
#-----|           0: (Attributes)
#  133|             1: [DefaultAttribute] [My3(...)]
#  133|               -1: [TypeMention] My3Attribute
#  133|               0: [IntLiteral] 14
#  134|       4: [BlockStmt] {...}
#  134|         0: [ExprStmt] ...;
#  134|           0: [AssignExpr] ... = ...
#  134|             0: [FieldAccess] access to field p
#  134|             1: [ParameterAccess] access to parameter value
#  138| [Class] Class1
#  140|   5: [Class] ParamsAttribute
#-----|     3: (Base types)
#  140|       0: [TypeMention] Attribute
#  142|     4: [InstanceConstructor] ParamsAttribute
#-----|       2: (Parameters)
#  142|         0: [Parameter] s1
#  142|           -1: [TypeMention] string
#  142|         1: [Parameter] s2
#  142|           -1: [TypeMention] string
#  142|         2: [Parameter] args
#  142|           -1: [TypeMention] Int32[]
#  142|             1: [TypeMention] int
#  142|       4: [BlockStmt] {...}
#  146|   6: [Method] M1
#  146|     -1: [TypeMention] Void
#-----|     0: (Attributes)
#  145|       1: [DefaultAttribute] [Params(...)]
#  145|         -1: [TypeMention] ParamsAttribute
#  145|         0: [StringLiteralUtf16] "a"
#  145|         1: [StringLiteralUtf16] "b"
#  145|         2: [IntLiteral] 1
#  145|         3: [IntLiteral] 2
#  145|         4: [IntLiteral] 3
#  146|     4: [BlockStmt] {...}
#  149|   7: [Method] M2
#  149|     -1: [TypeMention] Void
#-----|     0: (Attributes)
#  148|       1: [DefaultAttribute] [Params(...)]
#  148|         -1: [TypeMention] ParamsAttribute
#  148|         0: [StringLiteralUtf16] "a"
#  148|         1: [StringLiteralUtf16] "b"
#  148|         2: [IntLiteral] 1
#  148|         3: [IntLiteral] 2
#  148|         4: [IntLiteral] 3
#  149|     4: [BlockStmt] {...}
#  152|   8: [Method] M3
#  152|     -1: [TypeMention] Void
#-----|     0: (Attributes)
#  151|       1: [DefaultAttribute] [Params(...)]
#  151|         -1: [TypeMention] ParamsAttribute
#  151|         0: [StringLiteralUtf16] "a"
#  151|         1: [StringLiteralUtf16] "b"
#  151|         2: [IntLiteral] 1
#  152|     4: [BlockStmt] {...}
#  155|   9: [Method] M4
#  155|     -1: [TypeMention] Void
#-----|     0: (Attributes)
#  154|       1: [DefaultAttribute] [Params(...)]
#  154|         -1: [TypeMention] ParamsAttribute
#  154|         0: [StringLiteralUtf16] "a"
#  154|         1: [StringLiteralUtf16] "b"
#  154|         2: [ArrayCreation] array creation of type Int32[]
#  154|           -1: [ArrayInitializer] { ..., ... }
#  154|             0: [IntLiteral] 1
#  155|     4: [BlockStmt] {...}
#  159| [Class] MyExperimentalClass
#-----|   0: (Attributes)
#  158|     1: [DefaultAttribute] [Experimental(...)]
#  158|       -1: [TypeMention] ExperimentalAttribute
#  158|       0: [StringLiteralUtf16] "MyExperimentalClassId"
#  162|   5: [Method] MyExperimentalMethod
#  162|     -1: [TypeMention] Void
#-----|     0: (Attributes)
#  161|       1: [DefaultAttribute] [Experimental(...)]
#  161|         -1: [TypeMention] ExperimentalAttribute
#  161|         0: [StringLiteralUtf16] "MyExperimentalMethodId"
#  162|     4: [BlockStmt] {...}
#  165| [Class] MyOverloadResolutionClass
#  168|   5: [Method] M
#  168|     -1: [TypeMention] Void
#-----|     0: (Attributes)
#  167|       1: [DefaultAttribute] [OverloadResolutionPriority(...)]
#  167|         -1: [TypeMention] OverloadResolutionPriorityAttribute
#  167|         0: [UnaryMinusExpr] -...
#  167|           0: [IntLiteral] 1
#-----|     2: (Parameters)
#  168|       0: [Parameter] arr
#  168|         -1: [TypeMention] Int32[]
#  168|           1: [TypeMention] int
#  168|     4: [BlockStmt] {...}
#  171|   6: [Method] M
#  171|     -1: [TypeMention] Void
#-----|     0: (Attributes)
#  170|       1: [DefaultAttribute] [OverloadResolutionPriority(...)]
#  170|         -1: [TypeMention] OverloadResolutionPriorityAttribute
#  170|         0: [IntLiteral] 1
#-----|     2: (Parameters)
#  171|       0: [Parameter] e
#  171|         -1: [TypeMention] IEnumerable<int>
#  171|           1: [TypeMention] int
#  171|     4: [BlockStmt] {...}
#  174|   7: [Method] M
#  174|     -1: [TypeMention] Void
#-----|     0: (Attributes)
#  173|       1: [DefaultAttribute] [OverloadResolutionPriority(...)]
#  173|         -1: [TypeMention] OverloadResolutionPriorityAttribute
#  173|         0: [IntLiteral] 2
#-----|     2: (Parameters)
#  174|       0: [Parameter] s
#  174|         -1: [TypeMention] ReadOnlySpan<int>
#  174|           1: [TypeMention] int
#  174|     4: [BlockStmt] {...}