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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def load_json_file_contents(path: str) -> str: """ Loads contents from a json file """

    assert isinstance(path, str)
    content = None

    file_path = os.path.abspath(path)
    content = fileutils.read_text_from_file(file_path)
    json_object = json.loads(content)
    content = json.dumps(json_object, sort_keys=True, indent=4)

    return content