docs: def check(schema, data, trace=False):
      """Verify some json.
  
      Args:
          schema - the description of a general-case 'valid' json object.
          data - the json data to verify.
  
      Returns:
          bool: True if data matches the schema, False otherwise.
  
      Raises:
          TypeError:
              If the schema is of an unknown data type.
          ValueError:
              If the schema contains a string with an invalid value.
              If the schema attempts to reference a non-existent named schema.
  
      """
      if trace == True:
          trace = 1
      else:
          trace = None
      return _check(schema, data, trace=trace)