public Collection<CallInterceptionRequest> filterRequestsForResource(Collection<CallInterceptionRequest> interceptionRequests) {
        return interceptionRequests.stream()
            .filter(request -> request.getRequestExtras().getByType(RequestExtra.InterceptJvmCalls.class).isPresent())
            .collect(Collectors.toList());
    }

    @Override

    public Collection<CallInterceptionRequest> filterRequestsForResource(Collection<CallInterceptionRequest> interceptionRequests) {
        return interceptionRequests.stream()
            .filter(request -> request.getRequestExtras().getByType(PropertyUpgradeRequestExtra.class).isPresent())
            .collect(Collectors.toList());
    }

    @Override

    public Collection<CallInterceptionRequest> filterRequestsForResource(Collection<CallInterceptionRequest> interceptionRequests) {
        return interceptionRequests.stream()
            .filter(request -> request.getRequestExtras().getByType(RequestExtra.InterceptGroovyCalls.class).isPresent())
            .collect(Collectors.toList());
    }

    @Override

    private static final String SELF_PARAMETER_NAME = "self";

    @Override
    protected String classNameForRequest(CallInterceptionRequest request) {
        return request.getRequestExtras().getByType(PropertyUpgradeRequestExtra.class)
            .map(PropertyUpgradeRequestExtra::getImplementationClassName)
            .orElse(null);
    }

    @Override

public class InterceptJvmCallsGenerator extends RequestGroupingInstrumentationClassSourceGenerator {

    @Override
    protected String classNameForRequest(CallInterceptionRequest request) {
        return request.getRequestExtras().getByType(RequestExtra.InterceptJvmCalls.class)
            .map(RequestExtra.InterceptJvmCalls::getImplementationClassName)
            .orElse(null);
    }

    @Override

public class InterceptGroovyCallsGenerator extends RequestGroupingInstrumentationClassSourceGenerator {
    @Override
    protected String classNameForRequest(CallInterceptionRequest request) {
        return request.getRequestExtras().getByType(RequestExtra.InterceptGroovyCalls.class)
            .map(RequestExtra.InterceptGroovyCalls::getImplementationClassName)
            .orElse(null);
    }

    @Override