public Builder mergeFrom(
          com.google.storagetransfer.v1.proto.TransferTypes.ErrorSummary other) {
        if (other
            == com.google.storagetransfer.v1.proto.TransferTypes.ErrorSummary.getDefaultInstance())
          return this;
        if (other.errorCode_ != 0) {
          setErrorCodeValue(other.getErrorCodeValue());
        }
        if (other.getErrorCount() != 0L) {
          setErrorCount(other.getErrorCount());
        }
        if (errorLogEntriesBuilder_ == null) {
          if (!other.errorLogEntries_.isEmpty()) {
            if (errorLogEntries_.isEmpty()) {
              errorLogEntries_ = other.errorLogEntries_;
              bitField0_ = (bitField0_ & ~0x00000004);
            } else {
              ensureErrorLogEntriesIsMutable();
              errorLogEntries_.addAll(other.errorLogEntries_);
            }
            onChanged();
          }
        } else {
          if (!other.errorLogEntries_.isEmpty()) {
            if (errorLogEntriesBuilder_.isEmpty()) {
              errorLogEntriesBuilder_.dispose();
              errorLogEntriesBuilder_ = null;
              errorLogEntries_ = other.errorLogEntries_;
              bitField0_ = (bitField0_ & ~0x00000004);
              errorLogEntriesBuilder_ =
                  com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
                      ? getErrorLogEntriesFieldBuilder()
                      : null;
            } else {
              errorLogEntriesBuilder_.addAllMessages(other.errorLogEntries_);
            }
          }
        }
        this.mergeUnknownFields(other.getUnknownFields());
        onChanged();
        return this;
      }
<pre>
A summary of errors by error code, plus a count and sample error log
entries.
</pre>

Protobuf type {@code google.storagetransfer.v1.ErrorSummary}
java-storage-transfer/proto-google-cloud-storage-transfer-v1/src/main/java/com/google/storagetransfer/v1/proto/TransferTypes.java