private val build: BuildState,
    private val projectStateRegistry: ProjectStateRegistry
) : ProjectComponentObservationListener {

    private
    val targetProjects = mutableSetOf<ProjectState>()

    fun relevantProjects(nodes: List<Node>): Set<ProjectState> {
        val result = mutableSetOf<ProjectState>()
        for (project in targetProjects) {
            collect(project, result)
        }
        for (node in nodes) {

        val relevantProjects = relevantProjectsRegistry.relevantProjects(nodes)
        return projects.allProjects.map { project ->
            val mutableModel = project.mutableModel
            if (relevantProjects.contains(project)) {
                mutableModel.layout.buildDirectory.finalizeValue()