import { Component, ComponentDefinition } from './component';
declare type HookCallback = (dfn: ComponentDefinition) => void;
/**
 * Walks over each definition (including given one) and runs callback on it
 */
export declare function walkDefinitions(component: Component, definition: ComponentDefinition, fn: HookCallback): void;
/**
 * Same as `walkDefinitions` but runs in reverse order
 */
export declare function reverseWalkDefinitions(component: Component, definition: ComponentDefinition, fn: HookCallback): void;
/**
 * Invokes `name` hook for given component definition
 */
export declare function runHook<T, U>(component: Component, name: string, arg1?: T, arg2?: U): void;
export {};