code: def is_spec_directive(directive_name):
      return directive_name in ("skip", "include", "deprecated")
  
imports: from ..language.printer import print_ast
  from ..type.definition import GraphQLEnumType, GraphQLInputObjectType, GraphQLInterfaceType, GraphQLObjectType, GraphQLScalarType, GraphQLUnionType
  from ..type.directives import DEFAULT_DEPRECATION_REASON
  from .ast_from_value import ast_from_value
label_desc: Use image node_id 3 for calling a global function with example usage: is_spec_directive(directive_name) and returns: unknown