/**
 * Deep freeze an object and all its properties.
 * @param {T} inObj - The object to deep freeze.
 * @returns {T} - The deep frozen object.
 * @description - Deep freezes an object and all its properties.
 * @example <caption>Example of deep freezing an object.</caption>
 * const myObject = {a: 1, b: {c: 2}};
 * const frozenObject = deepFreeze(myObject);
 * frozenObject.a = 3; // Throws an error.
 * frozenObject.b.c = 4; // Throws an error.
 */
export declare const deepFreeze: <T>(inObj: T) => T;