docs: function normalize(route) {
    const normalized = { ...route };
  
    if (is.not.array(normalized.path) && is.not.string(normalized.path)) {
      throw new Error("The route's path must be a String or [String]");
    }
  
    if (is.array(normalized.method)) {
      /* If method is an array */
      for (let method of normalized.method) {
        method = clean(method);
      }
    }
  
    /* If method is a string */
    if (is.string(normalized.method)) {
      normalized.method = clean(normalized.method);
    }
  
    return normalized;
  }