boolean isDefaultName(String varName) {
		if (varName == null) {
			return false;
		}
		if (varName.startsWith(STACK_PREFIX)) {
			// Detect use of stack_ prefix for default names
			varName = varName.substring(STACK_PREFIX.length());
		}
		return SymbolUtilities.isDefaultLocalStackName(varName) ||
			SymbolUtilities.isDefaultParameterName(varName);
	}
Determine if the specified variable name matches the default naming pattern.
@param varName variable name.
@return true if name matches default naming pattern, else false
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/stackeditor/StackFrameDataType.java