ParameterAsserts.assertSchemaNS(schemaNS);
ParameterAsserts.assertPropName(propName);
if (!doesPropertyExist(schemaNS, propName))
{
throw new XMPException("Specified property does not exist!", XMPError.BADXPATH);
}
String qualPath = propName + XMPPathFactory.composeQualifierPath(qualNS, qualName);
setProperty(schemaNS, qualPath, qualValue, options);
}