`TFPCurrentDirectoryPackagesStructure`
pt		SetPath
		AddPackagesToRepository
		GetBuildPathDirectory

`TFPCustomFileSystemPackagesStructure`
pt		GetPath
pt		SetPath
pt		AddPackageToRepository

`TFPCustomPackagesStructure`
		RegisterPackagesStructureClass
		GetPackagesStructureForRepositoryOptionSection
		Destroy
		GetRepositoryOptionSectionClass
		InitializeWithOptions
		AddPackagesToRepository
		GetUnitDirectory
		GetBuildPathDirectory
		GetPrefix
		GetBaseInstallDir
		GetConfigFileForPackage
		UnzipBeforeUse
		IsInstallationNeeded