def METHOD_NAME():
    description = """Creates a DataSources by expanding another."""
    spec = Specification(
        description=description,
        map_input_pin_spec={
            4: PinSpecification(
                name="data_sources",
                type_names=["data_sources"],
                optional=False,
                document="""""",
            ),
        },
        map_output_pin_spec={
            0: PinSpecification(
                name="data_sources",
                type_names=["data_sources"],
                optional=False,
                document="""""",
            ),
        },
    )
    return spec