comments1.cs:
#    9| [Class] C
#   35| [Class] Foo
#   40|   5: [Field] x
#   40|     -1: [TypeMention] int
#   43|   6: [Field] y
#   43|     -1: [TypeMention] int
#   44|   7: [Field] z
#   44|     -1: [TypeMention] int
comments2.cs:
#   11| [Class] C2
#   13|   4: [Field] field1
#   13|     -1: [TypeMention] int
#   14|   5: [Field] field2
#   14|     -1: [TypeMention] int
#   19|   6: [Method] f
#   19|     -1: [TypeMention] Void
#   20|     4: [BlockStmt] {...}
#   23|       0: [ExprStmt] ...;
#   23|         0: [MethodCall] call to method f
#   26|       1: [ExprStmt] ...;
#   26|         0: [MethodCall] call to method g
#   26|           0: [IntLiteral] 2
#   29|   7: [Method] g
#   29|     -1: [TypeMention] Void
#-----|     2: (Parameters)
#   29|       0: [Parameter] x
#   29|         -1: [TypeMention] int
#   30|     4: [BlockStmt] {...}
#   32|       0: [LocalVariableDeclStmt] ... ...;
#   32|         0: [LocalVariableDeclAndInitExpr] Int32 y = ...
#   32|           -1: [TypeMention] int
#   32|           0: [LocalVariableAccess] access to local variable y
#   32|           1: [IntLiteral] 0
#   34|       1: [LocalVariableDeclStmt] ... ...;
#   34|         0: [LocalVariableDeclAndInitExpr] Int32 z = ...
#   34|           -1: [TypeMention] int
#   34|           0: [LocalVariableAccess] access to local variable z
#   34|           1: [IntLiteral] 0
#   40|   8: [Class] C3
#   48|   9: [Property] S1
#   48|     -1: [TypeMention] string
#   52|     3: [Getter] get_S1
#   52|       4: [BlockStmt] {...}
#   52|         0: [ReturnStmt] return ...;
#   52|           0: [StringLiteral] ""
#   53|     4: [Setter] set_S1
#-----|       2: (Parameters)
#   53|         0: [Parameter] value
#   54|       4: [BlockStmt] {...}
#   61|   10: [Enum] Values
#   66|     5: [Field] First
#   67|     6: [Field] Second
#   73|     7: [Field] Third
#   79|   11: [InstanceConstructor] C2
#   80|     4: [BlockStmt] {...}
#   85|   12: [Destructor] ~C2
#   86|     4: [BlockStmt] {...}
#   90|   13: [AddOperator] +
#   90|     -1: [TypeMention] int
#-----|     2: (Parameters)
#   90|       0: [Parameter] x
#   90|         -1: [TypeMention] C2
#   90|       1: [Parameter] b
#   90|         -1: [TypeMention] C2
#   91|     4: [BlockStmt] {...}
#   92|       0: [ReturnStmt] return ...;
#   92|         0: [IntLiteral] 2
#   95|   14: [Method] f
#   95|     -1: [TypeMention] Void
#-----|     2: (Parameters)
#   96|       0: [Parameter] x
#   96|         -1: [TypeMention] int
#   97|       1: [Parameter] y
#   97|         -1: [TypeMention] int
#   99|     4: [BlockStmt] {...}
#  103|   15: [DelegateType] D
#  107|   16: [Event] E
#  107|     -1: [TypeMention] D
#  107|     3: [AddEventAccessor] add_E
#-----|       2: (Parameters)
#  107|         0: [Parameter] value
#  107|     4: [RemoveEventAccessor] remove_E
#-----|       2: (Parameters)
#  107|         0: [Parameter] value
#  110|   17: [Method] gen
#  110|     -1: [TypeMention] Void
#  111|     4: [BlockStmt] {...}
#  112|       0: [LocalVariableDeclStmt] ... ...;
#  112|         0: [LocalVariableDeclAndInitExpr] GenericClass<Int32> t1 = ...
#  112|           -1: [TypeMention] GenericClass<Int32>
#  112|           0: [LocalVariableAccess] access to local variable t1
#  112|           1: [ObjectCreation] object creation of type GenericClass<Int32>
#  112|             0: [TypeMention] GenericClass<Int32>
#  112|               1: [TypeMention] int
#  113|       1: [LocalVariableDeclStmt] ... ...;
#  113|         0: [LocalVariableDeclAndInitExpr] Int32 t2 = ...
#  113|           -1: [TypeMention] int
#  113|           0: [LocalVariableAccess] access to local variable t2
#  113|           1: [MethodCall] call to method GenericFn
#  114|       2: [LocalVariableDeclStmt] ... ...;
#  114|         0: [LocalVariableDeclAndInitExpr] GenericClass<Double> t3 = ...
#  114|           -1: [TypeMention] GenericClass<Double>
#  114|           0: [LocalVariableAccess] access to local variable t3
#  114|           1: [ObjectCreation] object creation of type GenericClass<Double>
#  114|             0: [TypeMention] GenericClass<Double>
#  114|               1: [TypeMention] double
#  115|       3: [LocalVariableDeclStmt] ... ...;
#  115|         0: [LocalVariableDeclAndInitExpr] Int32 t4 = ...
#  115|           -1: [TypeMention] int
#  115|           0: [LocalVariableAccess] access to local variable t4
#  115|           1: [MethodCall] call to method GenericFn
#  119|   18: [Class] GenericClass<>
#-----|     1: (Type parameters)
#  119|       0: [TypeParameter] T
#  121|     5: [Field] f
#  121|       -1: [TypeMention] int
#  125|   21: [Method] GenericFn
#  125|     -1: [TypeMention] int
#-----|     1: (Type parameters)
#  125|       0: [TypeParameter] T
#  126|     4: [BlockStmt] {...}
#  127|       0: [LocalVariableDeclStmt] ... ...;
#  127|         0: [LocalVariableDeclAndInitExpr] Int32 x = ...
#  127|           -1: [TypeMention] int
#  127|           0: [LocalVariableAccess] access to local variable x
#  127|           1: [IntLiteral] 0
#  128|       1: [ReturnStmt] return ...;
#  128|         0: [IntLiteral] 0
trivia.cs:
#   14| [Class] Tr1
#   16|   5: [Method] M1
#   16|     -1: [TypeMention] Void
#   17|     4: [BlockStmt] {...}
comments1.cs:
#    1|       0: [LocalVariableDeclStmt] ... ...;
#    1|         0: [LocalVariableDeclExpr] Int32 i
trivia.cs:
#   19|           0: [TypeMention] int
comments1.cs:
#    2|       1: [LocalVariableDeclStmt] ... ...;
#    2|         0: [LocalVariableDeclExpr] Int32 j
trivia.cs:
#   20|           0: [TypeMention] int
#   22|       2: [LocalVariableDeclStmt] ... ...;
#   22|         0: [LocalVariableDeclExpr] Char c
#   22|           0: [TypeMention] char
#   24|       3: [LocalVariableDeclStmt] ... ...;
#   24|         0: [LocalVariableDeclExpr] Single f
#   24|           0: [TypeMention] float
#   26|       4: [LocalVariableDeclStmt] ... ...;
#   26|         0: [LocalVariableDeclExpr] String s
#   26|           0: [TypeMention] string
#   28|       5: [LocalVariableDeclStmt] ... ...;
#   28|         0: [LocalVariableDeclExpr] Double d
#   28|           0: [TypeMention] double
#   32| [Class] Tr2
#   34|   5: [Method] M1
#   34|     -1: [TypeMention] Void
#   35|     4: [BlockStmt] {...}
#   37|       0: [LocalVariableDeclStmt] ... ...;
#   37|         0: [LocalVariableDeclExpr] Int32 i
#   37|           0: [TypeMention] int
#   39|       1: [LocalVariableDeclStmt] ... ...;
#   39|         0: [LocalVariableDeclExpr] Int32 j
#   39|           0: [TypeMention] int
#   45| [Class] Tr3
#   47|   5: [Method] M1
#   47|     -1: [TypeMention] Void
#   48|     4: [BlockStmt] {...}
#   61| [Class] Tr4
#   63|   5: [Method] M1
#   63|     -1: [TypeMention] Void
#   64|     4: [BlockStmt] {...}
#   73|       0: [LocalVariableDeclStmt] ... ...;
#   73|         0: [LocalVariableDeclAndInitExpr] Int32 i = ...
#   73|           -1: [TypeMention] int
#   73|           0: [LocalVariableAccess] access to local variable i
#   73|           1: [IntLiteral] 1