question: public ConditionalMerger mergeIf ( boolean condition , Supplier < Object [ ] > insnsSupplier ) { Validate . notNull ( insnsSupplier ) ; if ( ! condition ) { return this ; } generatedInstructions . addAll ( Arrays . asList ( insnsSupplier . get ( ) ) ) ; return this ; }
target:  Generates a set of instructions if a certain condition is met.