getConfigurationParameterDeclarations().setDefaultGroupName("");
// reset search strategy
getConfigurationParameterDeclarations().setSearchStrategy("");
// reset the parm settings
ConfigurationParameterSettings configParmSettings = UIMAFramework.getResourceSpecifierFactory()
.createConfigurationParameterSettings();
getAnalysisEngineMetaData().setConfigurationParameterSettings(configParmSettings);
// reset typesystem, needed when going from primitive to aggregate
getAnalysisEngineMetaData().setTypeSystem(null);
// reset resources