duplicated block id: 1
size: 13 cleaned lines of code
in 2 files:
 - lib/src/intersection_selector.dart (25:42)
 - lib/src/union_selector.dart (23:40)

duplicated block id: 2
size: 8 cleaned lines of code
in 2 files:
 - lib/src/ast.dart (82:94)
 - lib/src/ast.dart (121:133)