import { Type } from '@angular/core';
import { Component } from './component';
export declare const EMPTY_ARRAY: never[];
export declare const EMPTY_OBJ: {};
export declare function isBool(value: unknown): value is boolean;
export declare function isClassComp(value: unknown): value is Component;
export declare function isFunc(value: unknown): value is Function;
export declare function isNgComp(value: unknown): value is Type<any>;
export declare function isNil(value: unknown): value is null | undefined;
export declare function isNum(value: unknown): value is number;
export declare function isObj(value: unknown): value is object;
export declare function isStr(value: unknown): value is string;