import { CSSResultGroup, PropertyValues, TemplateResult } from 'lit';
import { SbbElement, SbbHeadingLevel } from '../core.ts';
/**
 * It displays a title with a heading role.
 */
export declare abstract class SbbTitleBase extends SbbElement {
    static role: string;
    static styles: CSSResultGroup;
    /** Title level */
    accessor level: SbbHeadingLevel;
    /** Visual level for the title. */
    accessor visualLevel: SbbHeadingLevel | null;
    protected willUpdate(changedProperties: PropertyValues<this>): void;
    protected render(): TemplateResult;
}
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