code: public static Builder builder() {
      return new AutoValue_MapboxMatrix.Builder()
        .baseUrl(Constants.BASE_API_URL)
        .profile(DirectionsCriteria.PROFILE_DRIVING)
        .user(DirectionsCriteria.PROFILE_DEFAULT_USER);
    }
docs: Build a new {@link MapboxMatrix} object with the initial values set for {@link #baseUrl()},
  {@link #profile()}, and {@link #user()}.
  
  @return a {@link Builder} object for creating this object
  @since 3.0.0