code: public ClientFactoryBuilder http2MaxFrameSize(int http2MaxFrameSize) {
          checkArgument(http2MaxFrameSize >= MAX_FRAME_SIZE_LOWER_BOUND &&
                        http2MaxFrameSize <= MAX_FRAME_SIZE_UPPER_BOUND,
                        "http2MaxFramSize: %s (expected: >= %s and <= %s)",
                        http2MaxFrameSize, MAX_FRAME_SIZE_LOWER_BOUND, MAX_FRAME_SIZE_UPPER_BOUND);
          this.http2MaxFrameSize = http2MaxFrameSize;
          return this;
      }
docs: Sets the <a href="https://tools.ietf.org/html/rfc7540#section-6.5.2">SETTINGS_MAX_FRAME_SIZE</a>
  that indicates the size of the largest frame payload that this client is willing to receive.