import { CrudityFilterObject } from "../../interfaces/CrudityQueryString";
export declare function getPageSlice(pageSize: number, page: number): {
    start: number;
    end: number;
};
export declare function orderBy<T>(array: T[], orderBySpec?: string): T[];
export declare function isRegExp(str: string): RegExpMatchArray | null;
export declare function queryFilter<T>(array: T[], filterSpec?: CrudityFilterObject): T[];
export declare function select<T extends object>(array: T[], selectSpec?: string): Partial<T>[];
export declare function unselect<T>(array: Partial<T>[], unselectSpec?: string): Partial<T>[];
export declare function getDeepValue(t: any, keys: string[]): any;
export declare function removeDeepValue(t: any, keys: string[]): void;
export declare function removeKeys(t: any, key: string): any;