question: public static Color determineBackgroundColor ( final INaviInstruction startInstruction , final String trackedRegister , final CInstructionResult result ) { Preconditions . checkNotNull ( startInstruction , "IE01671: Start instruction argument can not be null" ) ; Preconditions . checkNotNull ( trackedRegister , "IE01672: Tracked register argument can not be null" ) ; Preconditions . checkNotNull ( result , "IE01673: Result argument can not be null" ) ; if ( result . getInstruction ( ) == startInstruction ) { return Color . decode ( "0x00BF00" ) ; } else if ( result . undefinesAll ( ) ) { return Color . decode ( "0xB30000" ) ; } else if ( result . clearsTrackedRegister ( trackedRegister ) ) { return Color . decode ( "0xA12967" ) ; } else if ( result . undefinesSome ( ) ) { return Color . decode ( "0xED693F" ) ; } else if ( result . defines ( ) ) { return Color . decode ( "0xFFCD55" ) ; } else if ( result . updates ( ) ) { return Color . decode ( "0x5AAB47" ) ; } else if ( result . uses ( ) ) { return Color . decode ( "0x414142" ) ; } else { return Color . WHITE ; } }
target:  Determines the background color to be used in the table and in the graph to highlight a given instruction result.