@java.lang.Override
    public Builder mergeFrom(
        com.google.protobuf.CodedInputStream input,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws java.io.IOException {
      if (extensionRegistry == null) {
        throw new java.lang.NullPointerException();
      }
      try {
        boolean done = false;
        while (!done) {
          int tag = input.readTag();
          switch (tag) {
            case 0:
              done = true;
              break;
            case 10:
              {
                apiFramework_ = input.readStringRequireUtf8();
                bitField0_ |= 0x00000008;
                break;
              } // case 10
            case 16:
              {
                heightPx_ = input.readInt32();
                bitField0_ |= 0x00000010;
                break;
              } // case 16
            case 24:
              {
                widthPx_ = input.readInt32();
                bitField0_ |= 0x00000020;
                break;
              } // case 24
            case 32:
              {
                assetHeightPx_ = input.readInt32();
                bitField0_ |= 0x00000040;
                break;
              } // case 32
            case 40:
              {
                expandedHeightPx_ = input.readInt32();
                bitField0_ |= 0x00000080;
                break;
              } // case 40
            case 48:
              {
                assetWidthPx_ = input.readInt32();
                bitField0_ |= 0x00000100;
                break;
              } // case 48
            case 56:
              {
                expandedWidthPx_ = input.readInt32();
                bitField0_ |= 0x00000200;
                break;
              } // case 56
            case 66:
              {
                adSlotId_ = input.readStringRequireUtf8();
                bitField0_ |= 0x00000400;
                break;
              } // case 66
            case 74:
              {
                com.google.cloud.video.stitcher.v1.Event m =
                    input.readMessage(
                        com.google.cloud.video.stitcher.v1.Event.parser(), extensionRegistry);
                if (eventsBuilder_ == null) {
                  ensureEventsIsMutable();
                  events_.add(m);
                } else {
                  eventsBuilder_.addMessage(m);
                }
                break;
              } // case 74
            case 82:
              {
                input.readMessage(
                    getIframeAdResourceFieldBuilder().getBuilder(), extensionRegistry);
                adResourceCase_ = 10;
                break;
              } // case 82
            case 90:
              {
                input.readMessage(
                    getStaticAdResourceFieldBuilder().getBuilder(), extensionRegistry);
                adResourceCase_ = 11;
                break;
              } // case 90
            case 98:
              {
                input.readMessage(getHtmlAdResourceFieldBuilder().getBuilder(), extensionRegistry);
                adResourceCase_ = 12;
                break;
              } // case 98
            default:
              {
                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
                  done = true; // was an endgroup tag
                }
                break;
              } // default:
          } // switch (tag)
        } // while (!done)
      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
        throw e.unwrapIOException();
      } finally {
        onChanged();
      } // finally
      return this;
    }
<pre>
Metadata for a companion.
</pre>

Protobuf type {@code google.cloud.video.stitcher.v1.Companion}
java-video-stitcher/proto-google-cloud-video-stitcher-v1/src/main/java/com/google/cloud/video/stitcher/v1/Companion.java