def METHOD_NAME():
    description = (
        """Returns the input mesh or meshes container into a meshes container."""
    )
    spec = Specification(
        description=description,
        map_input_pin_spec={
            0: PinSpecification(
                name="meshes",
                type_names=["meshes_container", "abstract_meshed_region"],
                optional=False,
                document="""""",
            ),
            1: PinSpecification(
                name="default_label",
                type_names=["string"],
                optional=True,
                document="""This default label is used if a new meshes
    container needs to be created
    (default is unknown)""",
            ),
        },
        map_output_pin_spec={
            0: PinSpecification(
                name="meshes_container",
                type_names=["meshes_container"],
                optional=False,
                document="""""",
            ),
        },
    )
    return spec