question: marks a makro as used . concode_field_sep Map<String,RegExp> macros concode_elem_sep Map<String,Boolean> used concode_field_sep RegExp getDefinition concode_elem_sep void expand concode_elem_sep RegExp expandMacro concode_elem_sep boolean insert concode_elem_sep List<String> unused concode_elem_sep boolean isUsed
target: boolean function ( final String arg0 ) { return used . put ( arg0 , Boolean . TRUE ) != null ; }