public List<File> getRecompile() {
        return recompile;
    }

    @Override
    public List<File> getRemoved() {
        return removed;
    }

    @Override
    public CompilationState getFinalState() {
        return finalState;
    }

    @Override
    public Set<File> getExistingHeaders() {
        return existingHeaders;
    }

    @Override
    public boolean isUnresolvedHeaders() {

import java.io.File;
import java.util.List;
import java.util.Set;

public interface IncrementalCompilation {
    List<File> getRecompile();

    List<File> getRemoved();

    CompilationState getFinalState();

    Set<File> getExistingHeaders();

    boolean isUnresolvedHeaders();

            workResult = doIncrementalCompile(incrementalCompilation, spec);
        } else {
            workResult = doCleanIncrementalCompile(spec);
        }

        compileStateCache.set(incrementalCompilation.getFinalState());

        return workResult;
    }

    private List<File> getSourceFilesForPch(T spec) {