import { TuiValueTransformer } from '@taiga-ui/cdk/classes';
import * as i0 from "@angular/core";
export declare class TuiNumberValueTransformer extends TuiValueTransformer<string, number | null> {
    private readonly mask;
    private readonly quantumTransformer;
    private readonly optionsTransformer;
    toControlValue(textfieldValue: string | null): number | null;
    fromControlValue(controlValue: number | null): string;
    static ɵfac: i0.ɵɵFactoryDeclaration<TuiNumberValueTransformer, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<TuiNumberValueTransformer, never, never, {}, {}, never, never, true, never>;
}