import { Component } from './component';
import { Injector } from './injector';
export declare type GetMount = (host: Component, scope: Scope) => MountBlock | undefined;
export interface MountTemplate {
    (host: Component, scope: Scope): UpdateTemplate | undefined;
    dispose?: UnmountBlock;
}
export declare type UpdateTemplate = (host: Component, scope: Scope) => number | void;
export interface MountBlock<D = Scope> {
    (host: Component, injector: Injector, data: D): UpdateBlock | undefined;
    dispose?: UnmountBlock;
}
export declare type UpdateBlock<D = Scope> = (host: Component, data: D) => number | void;
export declare type UnmountBlock = (scope: Scope, host: Component) => void;
export interface Scope {
    [key: string]: any;
}
export declare type Data = object;
export interface ChangeSet<T = any> {
    prev: {
        [name: string]: T | null;
    };
    cur: {
        [name: string]: T | null;
    };
}
export declare type Changes<T = unknown> = {
    [P in keyof T]?: {
        current: T[P] | null;
        prev: T[P] | null;
    };
};
export declare type ComponentEventListener = (host: Component, event: Event, target: Element, scope: Scope) => void;
export interface EventBinding extends EventListenerObject {
    host: Component;
    scope: Scope;
    target: Element;
    listener?: ComponentEventListener;
    pending?: ComponentEventListener;
}