HostDependentDownloadableContribution better handles Macosx

app/src/processing/app/debug/TargetPackageStub.java

@@ -0,0 +1,33 @@
+package processing.app.debug;
+
+import java.util.Collection;
+import java.util.Map;
+
+public class TargetPackageStub implements TargetPackage {
+
+  private final String id;
+
+  public TargetPackageStub(String id) {
+    this.id = id;
+  }
+
+  @Override
+  public String getId() {
+    return id;
+  }
+
+  @Override
+  public Map<String, TargetPlatform> getPlatforms() {
+    return null;
+  }
+
+  @Override
+  public Collection<TargetPlatform> platforms() {
+    return null;
+  }
+
+  @Override
+  public TargetPlatform get(String platform) {
+    return null;
+  }
+}