interface Bundle {
    // Bundle state constants
    int UNINSTALLED = 0x00000001;
    int INSTALLED = 0x00000002;
    int RESOLVED = 0x00000004;
    int STARTING = 0x00000008;
    int STOPPING = 0x00000010;
    int ACTIVE = 0x00000020;

    int getState ();

    ...
}