inputReference(String)
            inputReference("reference.third", Boolean)
            bindSubjectReference("subject")
            bindInputReference(0, "reference.first")
            bindInputReference(1, "reference.second")
        }

        expect:
        reportForProcessedBinders == reportFor(
                UnboundRule.descriptor("partiallyBoundRule")

        }

        void inputReference(String path, Class type) {
            inputReference(ModelReference.of(new ModelPath(path), ModelType.of(type)))
        }

        void bindInputReference(int index, String path) {
            boundInputReferencePaths[index] = path
        }

        void descriptor(String descriptor) {
            this.descriptor = new SimpleModelRuleDescriptor(descriptor)