@java.lang.Override
    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
      getSerializedSize();
      if (getProjectNumbersList().size() > 0) {
        output.writeUInt32NoTag(10);
        output.writeUInt32NoTag(projectNumbersMemoizedSerializedSize);
      }
      for (int i = 0; i < projectNumbers_.size(); i++) {
        output.writeInt64NoTag(projectNumbers_.getLong(i));
      }
      getUnknownFields().writeTo(output);
    }
<code>repeated int64 project_numbers = 1;</code>

@param index The index of the element to return.
@return The projectNumbers at the given index.
java-storageinsights/proto-google-cloud-storageinsights-v1/src/main/java/com/google/cloud/storageinsights/v1/DatasetConfig.java