@Override
	public boolean hasValue(Settings setting) {
		return setting.getValue(ENDIAN_SETTING_NAME) != null;
	}
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