pub unsafe extern "C" fn heif_encoder_parameter_get_valid_string_values(
arg1: *const heif_encoder_parameter,
out_stringarray: *mut *const *const c_char
) -> heif_error
pub unsafe extern "C" fn heif_encoder_parameter_get_valid_string_values(
arg1: *const heif_encoder_parameter,
out_stringarray: *mut *const *const c_char
) -> heif_error