/**
 * Returns computed that emits update:${propName} on edit.
 *
 * @tutorial
 * ```
 * const [prop] = useSyncProp('name', props, emit)
 *
 * prop.value = 'New name'
 *
 * $nextTick(() => console.log(prop.value)) // 'New name'
 * ```
 *
 * @notice
 * Be careful, that property is not updating in current render
 * cycle. Be sure to use $nextTick if you need to use this property after change.
 */
export declare function useSyncProp<T, PropName extends string, Props extends {
    [key in PropName]?: T;
}, Emit extends (event: any, newValue: Props[PropName]) => any, ReturnValue extends NonNullable<Props[PropName]>>(propName: PropName, props: Props, emit: Emit, defaultValue?: ReturnValue): import("vue").WritableComputedRef<ReturnValue>[];