import { AriaDescriber } from "@angular/cdk/a11y";
import { ElementRef, NgZone, OnDestroy, Renderer2 } from "@angular/core";
import { ThemePalette } from "@angular/material/core";
export declare type XmatBadgePosition = "above after" | "above before" | "below before" | "below after";
export declare type XmatBadgeSize = "small" | "medium" | "large";
/** Directive to display a text badge. */
export declare class XmatBadgeDirective implements OnDestroy {
    private _ngZone;
    private _ariaDescriber;
    private _renderer;
    static nextId: number;
    size: XmatBadgeSize;
    position: XmatBadgePosition;
    /** The color of the badge. Can be `primary`, `accent`, or `warn`. */
    color: ThemePalette;
    /** Whether the badge should overlap its contents or not */
    overlap: boolean;
    /** The content for the badge */
    content: string;
    /** Message used to describe the decorated element via aria-describedby */
    description: string;
    /** Whether the badge is hidden. */
    hidden: boolean;
    /** Whether the badge has any content. */
    hasContent: boolean;
    /** Unique id for the badge */
    id: number;
    private _badgeElement;
    private _color;
    private _content;
    private _description;
    private _elementRef;
    private _hidden;
    private _overlap;
    constructor(_ngZone: NgZone, _ariaDescriber: AriaDescriber, _renderer: Renderer2, elementRef: ElementRef);
    /** Whether the badge is above the host or not */
    isAbove(): boolean;
    /** Whether the badge is after the host or not */
    isAfter(): boolean;
    ngOnDestroy(): void;
    /** Injects a span element into the DOM with the content. */
    private _updateTextContent;
    /** Creates the badge element */
    private _createBadgeElement;
    /** Adds css theme class given the color to the component host */
    private _setColor;
    /** Sets the aria-label property on the element */
    private _updateHostAriaDescription;
}