public Builder clearErrorTrace() {
      bitField0_ = (bitField0_ & ~0x00000080);
      errorTrace_ = null;
      if (errorTraceBuilder_ != null) {
        errorTraceBuilder_.dispose();
        errorTraceBuilder_ = null;
      }
      onChanged();
      return this;
    }
<code>.google.cloud.websecurityscanner.v1.ScanRunErrorTrace error_trace = 8;</code>
java-websecurityscanner/proto-google-cloud-websecurityscanner-v1/src/main/java/com/google/cloud/websecurityscanner/v1/ScanRunLog.java