}
            'org:bar:1.0' {
                withModule {
                    undeclaredArtifact(type: 'jar', classifier: 'classy')
                }
                withoutGradleMetadata()
            }
        }

        and:
        buildFile << """
            dependencies {
                conf 'org:foo:1.0'
            }
        """

        when:

            dependencies {
                conf("org:moduleB:1.0")
            }
        """

        when:
        repositoryInteractions {
            'org:moduleB:1.0' {
                withoutGradleMetadata()
                expectResolve()
            }
            'org:moduleA:1.0' {
                expectGetMetadata()
            }
            'org:external:1.0' {
                expectResolve()

                    version("1") {
                        withModule {
                            undeclaredArtifact(type: 'jar', classifier: "my-samples")
                        }
                        withoutGradleMetadata()
                    }
                }
            }
        }

        and: "a component metadata rule that adds a variant"
        file("buildSrc/build.gradle") << """
            plugins {

    void excludeFromConfig(String module, String conf) {
        excludeFromConfig << [module: module, conf: conf]
    }

    void constraint(coord) {
        constraints << coord
    }

    void withoutGradleMetadata() {
        metadataType = MetadataType.LEGACY
    }

    void withGradleMetadata() {
        metadataType = MetadataType.GRADLE
    }