def code_from_builtin(shader_name: str) ->dict:
    """Exposes the internal shader code for query. 

    :param shader_name: One of these builtin shader names: { ‘2D_UNIFORM_COLOR’, ‘2D_FLAT_COLOR’, ‘2D_SMOOTH_COLOR’, ‘2D_IMAGE’, ‘3D_UNIFORM_COLOR’, ‘3D_FLAT_COLOR’, ‘3D_SMOOTH_COLOR’} 
    :type shader_name: str
    :return:  Vertex, fragment and geometry shader codes. 
    """
    pass
