target "4.18-2020-12" with source configurePhase

location "https://download.eclipse.org/releases/2020-12/" {
	// Eclipse platform
	org.eclipse.sdk.ide lazy
	org.eclipse.ecf.core.feature.feature.group lazy
	org.eclipse.ecf.filetransfer.feature.feature.group lazy
	org.eclipse.emf.sdk.feature.group lazy
	org.eclipse.equinox.concurrent lazy

	// debugging SWT layouts
	org.eclipse.tools.layout.spy lazy
}