export interface JSObject {
    [key: string]: any;
}
export declare function get(obj: JSObject, keyName: string): any;
export declare function set<T = unknown>(obj: object, keyName: string, value: T, tolerant?: boolean): T;
export declare function getProperties(obj: object, keys?: string[]): object;
export declare function setProperties<TProperties extends {
    [key: string]: any;
}>(obj: object, properties: TProperties): TProperties;