_ * context.shouldCaptureBeforeExecutionState() >> true
        _ * context.previousExecutionState >> Optional.empty()
        _ * work.visitImplementations(_ as UnitOfWork.ImplementationVisitor) >> { UnitOfWork.ImplementationVisitor visitor ->
            visitor.visitImplementation(implementationSnapshot)
        }

            @Override
            Object loadAlreadyProducedOutput(File workspace) {
                return "output"
            }

            @Override
            void visitImplementations(UnitOfWork.ImplementationVisitor visitor) {
                visitor.visitImplementation(implementation)
                visitor.visitImplementation(Object)
            }

            @Override

            newInputs.getAllFileFingerprints(),
            unfilteredOutputSnapshots,
            overlappingOutputs
        );
    }

    private static class ImplementationsBuilder implements UnitOfWork.ImplementationVisitor {
        private final ClassLoaderHierarchyHasher classLoaderHierarchyHasher;
        private ImplementationSnapshot implementation;

        MutableReference<Class<?>> workClass = MutableReference.empty();
        work.visitImplementations(new UnitOfWork.ImplementationVisitor() {
            @Override
            public void visitImplementation(Class<?> implementation) {
                workClass.set(GeneratedSubclasses.unpack(implementation));
            }

            @Override