def METHOD_NAME(app):
    """Setup Sphinx extension."""
    # Register the new documenters and directives (autojitfun, autovecfun)
    # Set the default prefix which is printed in front of the function signature
    app.setup_extension("sphinx.ext.autodoc")
    app.add_autodocumenter(JitDocumenter)
    app.add_directive_to_domain("py", "jitfun", JitDirective)
    app.add_autodocumenter(VectorizeDocumenter)
    app.add_directive_to_domain("py", "vecfun", VectorizeDirective)
    app.add_autodocumenter(GUVectorizeDocumenter)
    app.add_directive_to_domain("py", "guvecfun", GUVectorizeDirective)
    return {"parallel_read_safe": True}