/**
 * Coerces number/string literals to literal types.
 * @template {number | string} T
 * @param {T} v
 * @return {T}
 */
export declare function c<T extends number | string>(v: T): T;
/**
 * Concatenates specified strings.
 * @param {string[]} strings
 * @returns {string}
 */
export declare function concatStrings(...strings: string[]): string;
/**
 * Trims specified string for wrapping quotation marks.
 * @param {string} p
 * @returns {string}
 */
export declare function trimQuotes(p: string): string;