import type { Element } from 'hast';
/**
 * Calculates the shared indent level for a set of line elements.
 *
 * Finds the minimum leading whitespace across all non-empty lines,
 * then divides by the indent size (2 spaces) and floors to get
 * the indent level.
 *
 * @param lineElements - Array of HAST line elements to analyze
 * @returns The shared indent level (e.g., 2 for 4 leading spaces with 2-space indent)
 */
export declare function calculateFrameIndent(lineElements: Element[]): number;