content: 
  from . import lexer, parser              # noqa (API import)
  from .coretypes import *                 # noqa (API import)
  from .predicates import *                # noqa (API import)
  from .typesets import *                  # noqa (API import)
  from .user import *                      # noqa (API import)
  from .type_symbol_table import *         # noqa (API import)
  from .discovery import discover          # noqa (API import)
  from .util import *                      # noqa (API import)
  from .promote import promote, optionify  # noqa (API import)
  from .error import DataShapeSyntaxError  # noqa (API import)
  