export declare function isPlainObject(value: unknown): value is Record<string, unknown>;
export declare function deepClone<T>(value: T, cache?: WeakMap<object, unknown>): T;
export declare function isEmpty(value: unknown): boolean;
export declare function pick<T extends Record<string, unknown>, K extends keyof T>(source: T, keys: readonly K[]): Pick<T, K>;
export declare function omit<T extends Record<string, unknown>, K extends keyof T>(source: T, keys: readonly K[]): Omit<T, K>;
export declare class CommonUtils {
    static deepClone: typeof deepClone;
    static isEmpty: typeof isEmpty;
    static isPlainObject: typeof isPlainObject;
    static pick: typeof pick;
    static omit: typeof omit;
}
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