code: @Nonnull
  	public static <T1, T2, T3, R> LTriFunction<T1, T2, T3, R> triFunctionFrom(Consumer<LTriFunctionBuilder<T1, T2, T3, R>> buildingFunction) {
  		LTriFunctionBuilder builder = new LTriFunctionBuilder();
  		buildingFunction.accept(builder);
  		return builder.build();
  	}
docs: One of ways of creating builder. This is possibly the least verbose way where compiler should be able to guess the generic parameters.