export declare function removeFieldsWithNullishValues(object: Record<string, any>): Record<string, any>;
export declare const pickFields: (source: Record<string | number, any>, fields: (string | number)[]) => {
    [k: string]: any;
};
export declare const mutateData: (context: Record<string | number, any>, ...mutations: Array<Record<string | number, any> & {
    __override__?: boolean;
}>) => void;
