import type { IEditor } from 'roosterjs-content-model-types';
/**
 * Set heading level of selected paragraphs
 * @param editor The editor to set heading level to
 * @param headingLevel Level of heading, from 1 to 6. Set to 0 means set it back to a regular paragraph
 */
export declare function setHeadingLevel(editor: IEditor, headingLevel: 0 | 1 | 2 | 3 | 4 | 5 | 6): void;