import * as i0 from "@angular/core";
export declare class SdFileDialogProvider {
    showAsync(multiple?: false, accept?: string): Promise<File | undefined>;
    showAsync(multiple: true, accept?: string): Promise<File[] | undefined>;
    static ɵfac: i0.ɵɵFactoryDeclaration<SdFileDialogProvider, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<SdFileDialogProvider>;
}