import type { YooEditor, YooptaPathIndex } from '../types';
export type MergeBlockOptions = {
    /**
     * Source block to merge (the one that will be merged into target)
     * @default editor.path.current
     */
    at?: YooptaPathIndex;
    blockId?: string;
    /**
     * Target block to merge into (the one that will receive content)
     * If not provided, uses previous block
     * @default previous block
     */
    targetAt?: YooptaPathIndex;
    targetBlockId?: string;
    /**
     * Focus after merge
     * @default true
     */
    focus?: boolean;
    /**
     * Preserve content from source block
     * @default true
     */
    preserveContent?: boolean;
};
/**
 * Merge a block into another block
 *
 * @param editor - YooEditor instance
 * @param options - Merge options
 *
 * @example
 * ```typescript
 * // Merge current block into previous (default behavior)
 * editor.mergeBlock();
 *
 * // Merge specific block into previous
 * editor.mergeBlock({ at: 5 });
 *
 * // Merge block at index 5 into block at index 3
 * editor.mergeBlock({ at: 5, targetAt: 3 });
 *
 * // Merge without focusing
 * editor.mergeBlock({ focus: false });
 * ```
 */
export declare function mergeBlock(editor: YooEditor, options?: MergeBlockOptions): void;
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