private void ensureThreatsIsMutable() {
      if (!((bitField0_ & 0x00000001) != 0)) {
        threats_ =
            new java.util.ArrayList<com.google.webrisk.v1.SearchHashesResponse.ThreatHash>(
                threats_);
        bitField0_ |= 0x00000001;
      }
    }
Protobuf type {@code google.cloud.webrisk.v1.SearchHashesResponse}
java-webrisk/proto-google-cloud-webrisk-v1/src/main/java/com/google/webrisk/v1/SearchHashesResponse.java