src/vs/workbench/services/workingCopy/common/workingCopyBackupService.ts/WorkingCopyBackupService/reinitialize
class WorkingCopyBackupService:	reinitialize(backupWorkspaceHome: URI | undefined): void {

		// Re-init implementation (unless we are running in-memory)
		if (this.impl instanceof WorkingCopyBackupServiceImpl) {
			if (backupWorkspaceHome) {
				this.impl.initialize(backupWorkspaceHome);
			} else {
				this.impl = new InMemoryWorkingCopyBackupService();
			}
		}
	}