import type { Location } from 'slate';
import type { YooEditor, YooptaPathIndex } from '../types';
export type SplitBlockOptions = {
    /**
     * Block to split
     * @default editor.path.current
     */
    at?: YooptaPathIndex;
    blockId?: string;
    /**
     * Split position (selection point)
     * If not provided, uses current selection
     * @default slate.selection
     */
    splitAt?: Location;
    /**
     * Focus after split
     * @default true
     */
    focus?: boolean;
    /**
     * Focus target after split
     * - 'new': focus the new block (default)
     * - 'original': focus the original block
     * - 'none': don't focus anything
     * @default 'new'
     */
    focusTarget?: 'new' | 'original' | 'none';
    /**
     * Preserve content in both blocks
     * @default true
     */
    preserveContent?: boolean;
};
/**
 * Split a block at the selection point or specified position
 *
 * @param editor - YooEditor instance
 * @param options - Split options
 * @returns ID of the newly created block, or undefined if split failed
 *
 * @example
 * ```typescript
 * // Split current block at selection
 * const newBlockId = editor.splitBlock();
 *
 * // Split specific block
 * const newBlockId = editor.splitBlock({ at: 3 });
 *
 * // Split and focus original block
 * const newBlockId = editor.splitBlock({ focusTarget: 'original' });
 * ```
 */
export declare function splitBlock(editor: YooEditor, options?: SplitBlockOptions): string | undefined;
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