prepareFilePatterns(recompilationSpec.getClassesToCompile(), recompilationSpec.getSourcePaths(), classesToDelete, sourceToCompile);
        spec.setSourceFiles(narrowDownSourcesToCompile(sourceTree, sourceToCompile));
        includePreviousCompilationOutputOnClasspath(spec);
        addClassesToProcess(spec, recompilationSpec);
        spec.setClassesToCompile(recompilationSpec.getClassesToCompile());

                result = ((IncrementalCompilationResult) result).getCompilerResult();
            }

            Set<String> changedClasses = recompilationSpec == null ? Collections.emptySet() : recompilationSpec.getClassesToCompile();
            ConstantToDependentsMapping previousConstantToDependentsMapping = previousCompilerApiData == null ? null : previousCompilerApiData.getConstantToClassMapping();