private final boolean changingModule;

    public ModuleDescriptorHashModuleSource(HashCode descriptorHash, boolean changingModule) {
        this.descriptorHash = descriptorHash;
        this.changingModule = changingModule;
    }

    @Override
    public String toString() {
        return "{descriptor: " + descriptorHash + ", changing: " + changingModule + "}";
    }

        expireAt: Long
    ) : ChangingDependencyResolutionValue(expireAt) {
        override val reason: String
            get() = "cached version information for $displayName has expired"
    }

    class ChangingModule(
        val displayName: String,
        expireAt: Long
    ) : ChangingDependencyResolutionValue(expireAt) {
        override val reason: String