import type { PropertyPathItem, ViewModel } from '../vm';
import { VM_WATCHER_VALUE } from '../vm';
import { type ComponentHost } from './component';
export declare function watchForRender(watcher: Pick<ViewWatcher, typeof VM_WATCHER_DESTROY | typeof VM_WATCHER_PARENT | typeof VM_WATCHER_VALUE>, renderFn: (v: unknown) => void, hostComponent: ComponentHost): void;
/**
 * 给编译器使用的 dom 元素的事件绑定器。会记住上一次绑定的事件，再次绑定时先解绑上一次绑定的。
 * 用于当 dom 元素的事件属性的值是非函数时，搭配 ExprWatcher 等进行动态绑定。
 */
export declare function watchForDOMEventBind(watcher: Pick<ViewWatcher, typeof VM_WATCHER_DESTROY | typeof VM_WATCHER_PARENT | typeof VM_WATCHER_VALUE>, $ele: Element | Window | Document, eventName: string, capture: boolean, hostComponent: ComponentHost): void;
/**
 * watchForDOMEventBind 的简化版本，用于最简单的诸如 {props.a.b.c} 这样的纯 path 的表达式事件属性的监控。
 */
export declare function watchPathForDOMEventBind(target: ViewModel, path: PropertyPathItem[], $ele: Element | Window | Document, eventName: string, capture: boolean, hostComponent: ComponentHost): void;
/**
 * 用于最简单的诸如 {this.a.b.c} 这样的纯 path 的表达式的监控。同时也支持附带了简单 `!` 运算符的情况。
 * @param notOp 0 代表不进行 bool 转换，1 代表一次(!运算，例如 `<button disabled={!this.submitting} />`，2代表两次（!!运算，例如 `<button disabled={!!this.submitting} />`)
 */
export declare function watchPathForRender2(target: ViewModel, path: PropertyPathItem[], renderFn: (v: unknown) => void, notOp: number, hostComponent: ComponentHost): void;
/**
 * 用于最简单的诸如 {this.a.b.c} 这样的纯 path 的表达式的监控。
 */
export declare function watchPathForRender(target: ViewModel, path: PropertyPathItem[], renderFn: (v: unknown) => void, hostComponent: ComponentHost): void;
declare const VM_WATCHER_PARENT: unique symbol;
declare const VM_WATCHER_NOTIFY: unique symbol;
declare const VM_WATCHER_DESTROY: unique symbol;
interface ViewWatcher {
    [VM_WATCHER_DESTROY]: () => void;
    [VM_WATCHER_NOTIFY]: (v: unknown) => void;
    [VM_WATCHER_PARENT]: ParentWatcher;
    [VM_WATCHER_VALUE]?: unknown;
}
type ParentWatcher = Pick<ViewWatcher, typeof VM_WATCHER_NOTIFY>;
export declare function PathWatcher(target: ViewModel, path: PropertyPathItem[], deep?: boolean): ViewWatcher;
export declare function ExprWatcher(path: ViewWatcher[], fn: (...args: unknown[]) => void): ViewWatcher;
export declare function DymPathWatcher(target: ViewModel, path: (PropertyPathItem | ViewWatcher)[], deep?: boolean): ViewWatcher;
export {};