private final LookupContext shellContext;
        private final MavenInvoker shellMavenInvoker;
        private final MavenParser mavenParser;
        private final EncryptInvoker shellEncryptInvoker;
        private final EncryptParser encryptParser;
        private final UpgradeInvoker shellUpgradeInvoker;
        private final UpgradeParser upgradeParser;