Function SzConfigTool_setGenericThreshold 

#[unsafe(no_mangle)]
pub extern "C" fn SzConfigTool_setGenericThreshold(
    config_json: *const c_char,
    gplan_id: i64,
    behavior: *const c_char,
    updates_json: *const c_char,
) -> SzConfigTool_result

Set (update) a generic threshold