public Builder mergeFrom(com.google.cloud.visionai.v1.PacketType.TypeDescriptor other) {
        if (other == com.google.cloud.visionai.v1.PacketType.TypeDescriptor.getDefaultInstance())
          return this;
        if (!other.getType().isEmpty()) {
          type_ = other.type_;
          bitField0_ |= 0x00000004;
          onChanged();
        }
        switch (other.getTypeDetailsCase()) {
          case GSTREAMER_BUFFER_DESCRIPTOR:
            {
              mergeGstreamerBufferDescriptor(other.getGstreamerBufferDescriptor());
              break;
            }
          case RAW_IMAGE_DESCRIPTOR:
            {
              mergeRawImageDescriptor(other.getRawImageDescriptor());
              break;
            }
          case TYPEDETAILS_NOT_SET:
            {
              break;
            }
        }
        this.mergeUnknownFields(other.getUnknownFields());
        onChanged();
        return this;
      }
<pre>
The message that fully specifies the type of the packet.
</pre>

Protobuf type {@code google.cloud.visionai.v1.PacketType.TypeDescriptor}
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/PacketType.java