import type { CSSResultArray, PropertyDeclarations, TemplateResult } from 'lit-element';
import { InternalEditableControl } from '../InternalEditableControl/InternalEditableControl';
/**
 * Internal control displaying a basic number box.
 *
 * @since 1.17.0
 * @element foxy-internal-number-control
 */
export declare class InternalNumberControl extends InternalEditableControl {
    static get properties(): PropertyDeclarations;
    static get styles(): CSSResultArray;
    layout: 'summary-item' | 'standalone' | null;
    prefix: string | null;
    suffix: string | null;
    step: number | null;
    min: number | null;
    max: number | null;
    private __isErrorVisible;
    reportValidity(): void;
    renderControl(): TemplateResult;
    protected _handleHostClick(evt: MouseEvent): void;
    private __renderSummaryItemLayout;
}