/**
 * Transform and bulk update operations
 */
/**
 * Transform a value at a path using a function
 *
 * @param document - The document to modify
 * @param pathExpression - Path expression
 * @param transformFn - Transform function
 * @returns Number of values transformed
 */
export declare function transform(document: any, pathExpression: string, transformFn: (value: any) => any): number;
/**
 * Update multiple paths with same value
 *
 * @param document - The document
 * @param paths - Array of path expressions
 * @param value - Value to set
 * @returns Number of paths updated
 */
export declare function updateMany(document: any, paths: string[], value: any): number;
/**
 * Merge object at path
 *
 * @param document - The document
 * @param pathExpression - Path to object
 * @param updates - Object to merge
 */
export declare function merge(document: any, pathExpression: string, updates: Record<string, any>): void;
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