Function syncular_native_client_enqueue_leased_mutation_json 

#[unsafe(no_mangle)]
pub extern "C" fn syncular_native_client_enqueue_leased_mutation_json(
    handle: *mut SyncularNativeHandle,
    mutation_json: *const c_char,
    local_row_json: *const c_char,
    error_out: *mut *mut c_char,
) -> *mut c_char