code: public static <M extends PMessage<M,F>, F extends PField>
      MessageFieldArgument<M,F> toField(M message, F field) {
          return new MessageFieldArgument<>(message, field);
      }
docs: Bind to the given field for the message.
  
  @param message The message tp bind value from.
  @param field The field to bind to.
  @param <M> The message type.
  @param <F> The message field type.
  @return The message field argument.