import type { StringOp } from './types';
/**
 * Combine two operations into one, such that the changes produced by the
 * by the single operation are the same as if the two operations were applied
 * in sequence.
 *
 * ```
 * apply(str, combine(op1, op2)) === apply(apply(str, op1), op2)
 * ```
 *
 * @param op1 First operation.
 * @param op2 Second operation.
 * @returns A combined operation.
 */
export declare const compose: (op1: StringOp, op2: StringOp) => StringOp;