public String getAnalysisOptionDefaultValue(Program program, String analysisOption) {
		Options options = program.getOptions(Program.ANALYSIS_PROPERTIES);

		Object defaultValue = options.getDefaultValue(analysisOption);
		String returnVal = defaultValue == null ? null : defaultValue.toString();

		if (returnVal == null) {
			return "";
		}

		return returnVal;
	}
Returns the default value for the given analysis option.  Returns empty string if
invalid option.

@param program  the program for which we want to retrieve the default value for the
			given analysis option
@param analysisOption  the analysis option for which we want to retrieve the default value
@return  String representation of default value (returns empty string if analysis option
			is invalid).
Ghidra/Features/Base/src/main/java/ghidra/app/script/GhidraScript.java