Bug 126779 [IDE] Removed deprecated project capabilities API and implementation
It was created then deprecated before 2.0 shipped. As has never been API and we don't use it we should delete it.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/misc/ProjectCapabilitySelectionGroup.java
}
        };
    }
    /**
     * The user has changed the project capability selection.
     * Set the modified flag and clear the caches.
     */
    private void capabilitiesModified() {
        modified = true;
    }
    /**
     * Add a dependency between the target and dependent
     * capabilities
     */
    private void addDependency(Capability target, Capability dependent) {
        ArrayList descriptors = (ArrayList) dependents.get(target);
        if (descriptors == null) {
            descriptors = new ArrayList();
            descriptors.add(dependent);
            dependents.put(target, descriptors);
        } else if (!descriptors.contains(dependent)) {
            descriptors.add(dependent);
        }
    }
    /**
     * Returns true if the capability has any
     * dependencies on it.
     */
    private boolean hasDependency(Capability capability) {
        ArrayList descriptors = (ArrayList) dependents.get(capability);