export declare function padString(string: string, requiredLength?: number, paddingCharacter?: string): string;
export declare function trimString(string: string, requiredLength?: number): string;
export declare function reverseString(s: string): string;
export declare function isNumericString(n: any): boolean;
export declare function splitStringToChunks(string: string, chunkSize: number): string[];
export declare function stringToBinary(text: string): string;