import type { AttributeMap } from "../attributes/interface";
import type { Delta } from "../delta/delta";
import type { Op } from "../delta/interface";
/**
 * 判断两个 AttributeMap 是否相等
 * @param o
 * @param t
 */
export declare const isEqualAttributes: (o: AttributeMap | undefined, t: AttributeMap | undefined) => boolean;
/**
 * 判断两个 Op 是否相等
 * @param origin
 * @param target
 */
export declare const isEqualOp: (origin: Op | undefined, target: Op | undefined) => boolean;
/**
 * 判断两个 Delta 是否相等
 * @param origin
 * @param target
 */
export declare const isEqualDelta: (origin: Delta, target: Delta) => boolean;