import * as i0 from "@angular/core";
/** Service to programmatically open file dialog. */
export declare class PickerBrowserService {
    /**
     * Open file dialog to select files.
     * @param options picker options.
     * @returns A promise that resolves with the picked files or and empty array.
     */
    pickFiles(options: PickerBrowserOptions): Promise<File[]>;
    static ɵfac: i0.ɵɵFactoryDeclaration<PickerBrowserService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<PickerBrowserService>;
}
/** Picker options. */
export interface PickerBrowserOptions {
    /** optional mime type of the files to select. (default *) */
    readonly accept?: string;
    /** allow multiple files (default true.) */
    readonly multiple?: boolean;
}