@java.lang.Override
    public int getSerializedSize() {
      int size = memoizedSize;
      if (size != -1) return size;

      size = 0;
      {
        int dataSize = 0;
        for (int i = 0; i < projectNumbers_.size(); i++) {
          dataSize +=
              com.google.protobuf.CodedOutputStream.computeInt64SizeNoTag(
                  projectNumbers_.getLong(i));
        }
        size += dataSize;
        if (!getProjectNumbersList().isEmpty()) {
          size += 1;
          size += com.google.protobuf.CodedOutputStream.computeInt32SizeNoTag(dataSize);
        }
        projectNumbersMemoizedSerializedSize = dataSize;
      }
      size += getUnknownFields().getSerializedSize();
      memoizedSize = size;
      return size;
    }
<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