public Builder mergeFrom(
          com.google.cloud.storageinsights.v1.DatasetConfig.SourceProjects other) {
        if (other
            == com.google.cloud.storageinsights.v1.DatasetConfig.SourceProjects
                .getDefaultInstance()) return this;
        if (!other.projectNumbers_.isEmpty()) {
          if (projectNumbers_.isEmpty()) {
            projectNumbers_ = other.projectNumbers_;
            projectNumbers_.makeImmutable();
            bitField0_ |= 0x00000001;
          } else {
            ensureProjectNumbersIsMutable();
            projectNumbers_.addAll(other.projectNumbers_);
          }
          onChanged();
        }
        this.mergeUnknownFields(other.getUnknownFields());
        onChanged();
        return this;
      }
<pre>
Collection of project numbers
</pre>

Protobuf type {@code google.cloud.storageinsights.v1.DatasetConfig.SourceProjects}
java-storageinsights/proto-google-cloud-storageinsights-v1/src/main/java/com/google/cloud/storageinsights/v1/DatasetConfig.java