LPS-51109 simplify use of targetClassName in parameters
LPS-51109 simplify parameters for reosurcePaths, templatePaths, private and public LAR URLs
LPS-51109 introduce a factory to construct importers
LPS-51109 move configure to ImportFactory
LPS-51109 simplify parameters for resourcesDir
LPS-51109 centralize properties reading into a single class
LPS-51109 simplify parameters to pass messageResponseId
LPS-51109 compat needs PortalRunMode from LPS-48707