/**
 * Remove special characters and special patterns on a string
 * @param {object} param - Input parameters
 * @param {string} param.string - String to process and format
 * @param {boolean} param.removePlural - Flag to remove the string pattern "(plural: <any_word>)" from the string
 * @returns {string|undefined} Formatted string or undefined
 */
export function removeSpecialChars({ string, removePlural }: {
    string: string;
    removePlural: boolean;
}): string | undefined;
/**
 * Retrieves words enclosed in a parenthesis from strings following a _"I, me (plural: mimi)"_ format.
 * Optionally removes words in the `excludes[]` array.
 * @param {object} param - Input parameters
 * @param {string} param.string - Input string
 * @param {string[]} param.excludes - String array of word/s to exclude from the result
 * @returns {string|undefined} Extracted words or the original string. Returns undefined if string input is invalid.
 */
export function getParenthesisWords({ string, excludes }: {
    string: string;
    excludes: string[];
}): string | undefined;
/**
 * Retrives words that go before an openning parenthesis character
 * @param {object} param - Input parameters
 * @param {string} param.string - Input string
 * @returns {string|undefined} Extracted words or the original string. Returns undefined if string input is invalid.
 */
export function getParenthesisStartWords({ string }: {
    string: string;
}): string | undefined;
/**
 * Write a single or array of JavaScript objects to a JSON file.
 * Creates a JSON file on the specified filename location.
 * @param {object} param - Input parameters
 * @param {object[]} param.data - Array of simple JavaScript objects
 * @param {string} param.filename - Full file path to the target destination file
 * @returns {void}
 */
export function saveToJSON({ data, filename }: {
    data: object[];
    filename: string;
}): void;
/**
 * Stalls function execution by `timeout` milliseconds
 * @param {() => void} callback - Callback function to execute after `timeout` milliseconds
 * @param {number} timeout - Milliseconds timeout delay
 * @returns {void}
 */
export function delayProcess(callback: () => void, timeout?: number): void;