import type { HelperOptions } from 'handlebars';
import type { DocItemWithContext } from 'solidity-docgen';
interface HLevel {
    hlevel?: number;
}
type DocumentItemWithHLevel = DocItemWithContext & HLevel;
/**
 * Returns a Markdown heading marker. An optional number increases the heading level.
 *
 *    Input                  Output
 *    {{h}} {{name}}         # Name
 *    {{h 2}} {{name}}       ## Name
 */
export declare function h(this: DocumentItemWithHLevel, hsublevel: number | HelperOptions): string;
/**
 * Delineates a section where headings should be increased by 1 or a custom number.
 *
 *    {{#hsection}}
 *    {{>partial-with-headings}}
 *    {{/hsection}}
 */
export declare function hsection(this: DocumentItemWithHLevel, hsublevel: number | HelperOptions, options?: HelperOptions): string;
export declare function trim(text: string): string | undefined;
export declare function joinLines(text?: string): string | undefined;
export {};