import { FactoryProvider, InjectionToken, Provider } from '@angular/core';
import { BaseOverlaySourceProvider } from './base-overlay-source-provider.model';
export declare type IOverlaySourceProviderConstructor = new (...args: any[]) => BaseOverlaySourceProvider;
export declare const MultipleOverlaysSource: InjectionToken<IMultipleOverlaysSource>;
export interface IMultipleOverlaysSource {
    [sourceType: string]: BaseOverlaySourceProvider;
}
export declare function OverlaySourceProvider({ sourceType }: {
    sourceType: string;
}): (constructor: IOverlaySourceProviderConstructor) => void;
export interface IOverlaysMetadata {
    overlaySourceProviders: IOverlaySourceProviderConstructor[];
}
export declare const OVERLAYS_SOURCE_PROVIDERS: InjectionToken<unknown>;
export declare function BaseOverlaySourceProvidersFactory(mapSourceProviders: any): IMultipleOverlaysSource;
export declare function OveralysSourceProvidersFactory(...providers: any[]): any[];
export declare function createOverlaysSourceProviders(providers: IOverlaySourceProviderConstructor[]): Provider[];
export declare const BaseOverlaySourceFactoryProvider: FactoryProvider;