buildFile << """
            sourceSets {
                custom
            }
            dependencies {
                customImplementation 'org:foo:1.0'
                customRuntimeOnly 'org:bar:1.0'
            }
        """
        def resolve = resolveClasspath 'customRuntime'

        when:
        foo.pom.expectGet()
        foo.artifact.expectGet()
        bar.pom.expectGet()

        !implementation.canBeConsumed
        !implementation.canBeResolved

        and:
        def runtimeOnly = project.configurations.customRuntimeOnly
        runtimeOnly.transitive
        !runtimeOnly.visible
        !runtimeOnly.canBeConsumed
        !runtimeOnly.canBeResolved
        runtimeOnly.extendsFrom == [] as Set