import * as i0 from "@angular/core";
export declare class OnlyDigitBaseDirective {
    constructor();
    onKeyDown(event: KeyboardEvent): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<OnlyDigitBaseDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<OnlyDigitBaseDirective, "[OnlyDigitBase]", never, {}, {}, never, never, false, never>;
}