import { HtmlElement, HtmlElementConfigBase, HtmlElementInstance } from "./HtmlElement";
import { RenderingContext } from "../ui/RenderingContext";
export interface HeadingConfig extends HtmlElementConfigBase {
    /** Name of the HTML element to be rendered. Default is `div`. */
    tag?: string;
    /** Heading level. Allowed values go from 1 to 6. Default is 3. */
    level?: number | string;
    /** Base CSS class. Default is `heading`. */
    baseClass?: string;
}
export declare class Heading extends HtmlElement<HeadingConfig, HtmlElementInstance> {
    level?: number | string;
    init(): void;
    prepareData(context: RenderingContext, instance: HtmlElementInstance): void;
    isValidHtmlAttribute(attrName: string): string | false;
}
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