// TODO - replace this with a public API when available
class ExtraComp implements org.gradle.api.internal.component.SoftwareComponentInternal, ComponentWithVariants {
    String name = 'extra'
    Set usages = []
    Set variants = []
}

project(":project3") {
    def c1 = new ExtraComp(variants: [components.java])
    def c2 = new ExtraComp(variants: [c1, components.java])
    publishing {
        publications {

// TODO - replace this with a public API when available
class ExtraComp implements org.gradle.api.internal.component.SoftwareComponentInternal, ComponentWithVariants {
    String name = 'extra'
    Set usages = []
    Set variants = []
}

project(":project3") {
    def e1 = new ExtraComp(variants: [components.java])
    def e2 = new ExtraComp(variants: [e1, components.java])

    publishing {