public Builder mergeFrom(com.google.devtools.cloudtrace.v2.AttributeValue other) {
      if (other == com.google.devtools.cloudtrace.v2.AttributeValue.getDefaultInstance())
        return this;
      switch (other.getValueCase()) {
        case STRING_VALUE:
          {
            mergeStringValue(other.getStringValue());
            break;
          }
        case INT_VALUE:
          {
            setIntValue(other.getIntValue());
            break;
          }
        case BOOL_VALUE:
          {
            setBoolValue(other.getBoolValue());
            break;
          }
        case VALUE_NOT_SET:
          {
            break;
          }
      }
      this.mergeUnknownFields(other.getUnknownFields());
      onChanged();
      return this;
    }
<pre>
The allowed types for `[VALUE]` in a `[KEY]:[VALUE]` attribute.
</pre>

Protobuf type {@code google.devtools.cloudtrace.v2.AttributeValue}
java-trace/proto-google-cloud-trace-v2/src/main/java/com/google/devtools/cloudtrace/v2/AttributeValue.java