import { EventEmitter } from '@angular/core';
import { BooleanInput } from '@angular/cdk/coercion';
import * as i0 from "@angular/core";
/**
 * Label UI, currently used exclusively in sp-field.
 * @internal
 */
export declare class LabelComponent {
    /**
     * id prop set on the underlying label element. Useful to set aria-labelledby
     * on the corresponding control, if it doesn't support labeling via {@link #for}
     */
    id: string;
    /**
     * html label "for" attribute, set on the underlying label element, in case the labeled control
     * has an id and is
     * [labelable](https://developer.mozilla.org/en-US/docs/Web/HTML/Content_categories#labelable)
     */
    for?: string;
    /**
     * Whether the label is disabled. Disabled label won't emit labelClick.
     */
    disabled?: BooleanInput;
    /**
     * Indicates the necessity of the corresponding form control.
     */
    necessityIndicator?: 'required' | 'optional';
    /**
     * @default "lg"
     */
    size?: 'lg' | 'md' | 'sm';
    /**
     * Emits when the label text is clicked.
     */
    labelClick: EventEmitter<MouseEvent>;
    /**
     * @returns the text content of the label.
     */
    getText(): string;
    private labelElementRef?;
    static ɵfac: i0.ɵɵFactoryDeclaration<LabelComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<LabelComponent, "sp-label", never, { "id": "id"; "for": "for"; "disabled": "disabled"; "necessityIndicator": "necessityIndicator"; "size": "size"; }, { "labelClick": "labelClick"; }, never, ["*", "sp-help-button"], true, never>;
}