export declare function isNil(value: unknown): boolean;
export declare function isObject(value: unknown): boolean;
export declare function isArrayEqual<T>(prevArr: T[], curArr: T[]): boolean;
export declare function isObjectEqual(prevObj: any, curObj: any): boolean;
export declare function isPrimitiveEqual(prevVal: unknown, curVal: unknown): boolean;
export declare function isFunction(func: unknown): boolean;
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