def METHOD_NAME():
    """
    Generate the hash library name for this env.
    """
    import mpl_animators
    version = mpl_animators.__version__
    animators_version = "dev" if "+" in version else version.replace('.', '')
    ft2_version = f"{mpl.ft2font.__freetype_version__.replace('.', '')}"
    mpl_version = "dev" if ("+" in mpl.__version__) or ("rc" in mpl.__version__) else mpl.__version__.replace('.', '')
    astropy_version = "dev" if "dev" in astropy.__version__ else astropy.__version__.replace('.', '')
    return f"figure_hashes_mpl_{mpl_version}_ft_{ft2_version}_astropy_{astropy_version}_animators_{animators_version}.json"