import type { SlateElement, YooEditor, YooptaPathIndex } from '../types';
export type DuplicateBlockOptions = {
    /**
     * Block to duplicate (by path or id)
     * @default editor.path.current
     */
    at?: YooptaPathIndex;
    blockId?: string;
    /**
     * Position to insert duplicate
     * If not provided, inserts after original block
     * @default original.meta.order + 1
     */
    insertAt?: YooptaPathIndex;
    /**
     * Focus after duplicate
     * @default true
     */
    focus?: boolean;
    /**
     * Custom element structure for duplicate
     * If provided, overrides default duplication
     */
    elements?: SlateElement;
};
/**
 * Duplicate a block
 *
 * @param editor - YooEditor instance
 * @param options - Duplicate options
 * @returns ID of the newly created block
 *
 * @example
 * ```typescript
 * // Duplicate current block
 * const newId = editor.duplicateBlock();
 *
 * // Duplicate specific block by path
 * const newId = editor.duplicateBlock({ at: 3 });
 *
 * // Duplicate specific block by id
 * const newId = editor.duplicateBlock({ blockId: 'block-123' });
 *
 * // Duplicate and insert at specific position
 * const newId = editor.duplicateBlock({ at: 3, insertAt: 0 });
 * ```
 */
export declare function duplicateBlock(editor: YooEditor, options?: DuplicateBlockOptions): string | undefined;
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