Function Parser.parseTypeSpecialization

typeSpecialization: type | 'struct' | 'union' | 'class' | 'interface' | 'enum' | '_vector' | 'function' | 'delegate' | 'super' | 'const' | 'immutable' | 'inout' | 'shared' | 'return' | '_parameters' | 'module' | 'package' ;