code: def parse_operation_type_definition(parser):
      start = parser.token.start
      operation = parse_operation_type(parser)
      expect(parser, TokenKind.COLON)
  
      return ast.OperationTypeDefinition(
          operation=operation,
          type=parse_named_type(parser),
          loc=loc(parser, start),
      )
  
imports: from .None import ast
  from ..error import GraphQLSyntaxError
  from .lexer import Lexer, TokenKind, get_token_desc, get_token_kind_desc
  from .source import Source
label_desc: Use image node_id 40 for calling a global function with example usage: parse_operation_type_definition(parser) and returns: ast