/**
 * Compares two strings for equality.
 *
 * @param input1 - The first string to compare.
 * @param input2 - The second string to compare.
 * @param ignoreCase - Optional boolean to indicate if the comparison should ignore case differences. Defaults to false.
 * @returns A boolean indicating whether the two strings are equal. Returns false if either string is null or undefined.
 */
export declare const matchStrings: (input1: string, input2: string, ignoreCase?: boolean) => boolean;
/**
 * Parses boolean from string.
 * @param stringValue
 * @returns
 */
export declare const stringToBoolean: (stringValue: string | undefined) => boolean;
/**
 * Attempts to parse a JSON string and returns the resulting object.
 *
 * @param json - The JSON string to parse.
 * @returns The parsed object if successful, otherwise null if the input is invalid or parsing fails.
 */
export declare const tryParseJson: (json: any) => {};
/**
 * Executes a regular expression on a string and returns the match results.
 *
 * @param input - The string to search for matches.
 * @param regExp - The regular expression to execute.
 * @returns The match results as an array, or null if no match was found.
 */
export declare const groupMatch: (input: string, regExp: RegExp) => RegExpExecArray;