@Override
	public void copySetting(Settings settings, Settings destSettings) {
		Long l = settings.getLong(ENDIAN_SETTING_NAME);
		if (l == null) {
			destSettings.clearSetting(ENDIAN_SETTING_NAME);
		}
		else {
			destSettings.setLong(ENDIAN_SETTING_NAME, l);
		}
	}
Returns the endianness settings.  First looks in settings, then defaultSettings
and finally returns a default value if the first two have no value for this definition.
@param settings the instance settings to search for the value
@param buf the data context
@return a boolean value for the endianness setting
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/model/data/EndianSettingsDefinition.java