def METHOD_NAME():
    description = """Reads a json file or string to a DataTree"""
    spec = Specification(
        description=description,
        map_input_pin_spec={
            0: PinSpecification(
                name="string_or_path",
                type_names=["string", "data_sources"],
                optional=False,
                document="""""",
            ),
        },
        map_output_pin_spec={
            0: PinSpecification(
                name="data_tree",
                type_names=["abstract_data_tree"],
                optional=False,
                document="""""",
            ),
        },
    )
    return spec