old_contents: from .attributes import Attributes  # isort:skip
  from .builder import Builder  # isort:skip
  
  from .domain import (  # isort:skip
      Domain,
      SemanticDomainTypes,
      InferredSemanticDomainType,
  )
  from .parameter_container import (  # isort:skip
      DOMAIN_KWARGS_PARAMETER_FULLY_QUALIFIED_NAME,
      FULLY_QUALIFIED_PARAMETER_NAME_SEPARATOR_CHARACTER,
      PARAMETER_KEY,
      VARIABLES_KEY,
      VARIABLES_PREFIX,
      ParameterNode,
      ParameterContainer,
      build_parameter_container,
      build_parameter_container_for_variables,
      is_fully_qualified_parameter_name_literal_string_format,
      get_parameter_value_by_fully_qualified_parameter_name,
      get_parameter_values_for_fully_qualified_parameter_names,
      get_fully_qualified_parameter_names,
  )
  
new_contents: from .attributes import Attributes  # isort:skip
  from .builder import Builder  # isort:skip
  
  from .domain import (  # isort:skip
      Domain,
      SemanticDomainTypes,
      InferredSemanticDomainType,
  )
  from .parameter_container import (  # isort:skip
      DOMAIN_KWARGS_PARAMETER_FULLY_QUALIFIED_NAME,
      FULLY_QUALIFIED_PARAMETER_NAME_SEPARATOR_CHARACTER,
      FULLY_QUALIFIED_PARAMETER_NAME_VALUE_KEY,
      FULLY_QUALIFIED_PARAMETER_NAME_METADATA_KEY,
      PARAMETER_KEY,
      VARIABLES_KEY,
      VARIABLES_PREFIX,
      ParameterNode,
      ParameterContainer,
      build_parameter_container,
      build_parameter_container_for_variables,
      is_fully_qualified_parameter_name_literal_string_format,
      get_parameter_value_by_fully_qualified_parameter_name,
      get_parameter_values_for_fully_qualified_parameter_names,
      get_fully_qualified_parameter_names,
  )
  
subject: clean up (#4471)