@java.lang.Override
      public Builder clear() {
        super.clear();
        bitField0_ = 0;
        functionName_ = null;
        if (functionNameBuilder_ != null) {
          functionNameBuilder_.dispose();
          functionNameBuilder_ = null;
        }
        originalFunctionName_ = null;
        if (originalFunctionNameBuilder_ != null) {
          originalFunctionNameBuilder_.dispose();
          originalFunctionNameBuilder_ = null;
        }
        fileName_ = null;
        if (fileNameBuilder_ != null) {
          fileNameBuilder_.dispose();
          fileNameBuilder_ = null;
        }
        lineNumber_ = 0L;
        columnNumber_ = 0L;
        loadModule_ = null;
        if (loadModuleBuilder_ != null) {
          loadModuleBuilder_.dispose();
          loadModuleBuilder_ = null;
        }
        sourceVersion_ = null;
        if (sourceVersionBuilder_ != null) {
          sourceVersionBuilder_.dispose();
          sourceVersionBuilder_ = null;
        }
        return this;
      }
<pre>
Represents a single stack frame in a stack trace.
</pre>

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