src/vs/workbench/contrib/customEditor/browser/customEditorInput.ts/CustomEditorInput/getDescription
class CustomEditorInput:	override getDescription(verbosity = Verbosity.MEDIUM): string | undefined {
		switch (verbosity) {
			case Verbosity.SHORT:
				return this.shortDescription;
			case Verbosity.LONG:
				return this.longDescription;
			case Verbosity.MEDIUM:
			default:
				return this.mediumDescription;
		}
	}