@@ -0,0 +1,763 @@
+package robot;%0A%0Apublic interface Returns%0A%7B   %0A    public final static int TRUE            =  1;%0A    public final static int SUCCEDED        =  1;%0A%0A    public final static int FALSE           =  0;%0A    public final static int NOT_SUCCEDED    =  0;%0A    public final static int NO_TARGET       =  0;%0A    public final static int NO_ENERGY       =  0; //= -1;%0A    public final static int END_OF_MAP      =  0; //= -2;%0A    public final static int BLOCKED         =  0; //= -2;%0A    public final static int FULL_SLOTS      =  0; //= -3;%0A    public final static int EMPTY_SLOTS     =  0; //= -3;%0A    public final static int OUT_OF_RANGE    =  0; //= -3;%0A    public final static int FRIENDLY_FIRE   =  0; //= -4;%0A    public final static int INVALID_ACTION  =  0; //= -5;%0A%7D%0A

Discriminated the return errors