Bug 323489 [KeyBindings] Reduce memory footprint of BindingManager
bundles/org.eclipse.jface/src/org/eclipse/jface/bindings/BindingManager.java
}
	/**
	 * <p>
	 * Returns the command identifier for the active binding matching this
	 * trigger, if any.
	 * </p>
	 * <p>
	 * This method completes in <code>O(1)</code>. If the bindings aren't
	 * currently computed, then this completes in <code>O(n)</code>, where
	 * <code>n</code> is the number of bindings.
	 * </p>
	 * 
	 * @param trigger
	 *            The trigger to match; may be <code>null</code>.
	 * @return The binding that matches, if any; <code>null</code> otherwise.
	 */
	public final Binding getPerfectMatch(final TriggerSequence trigger) {
		return (Binding) getActiveBindings().get(trigger);
	}
	/**
	 * <p>
	 * Returns the active platform for this binding manager. The platform is in
	 * the same format as <code>SWT.getPlatform()</code>.
	 * </p>
	 * <p>
	 * This method completes in <code>O(1)</code>.
	 * </p>
	 * 
	 * @return The active platform; never <code>null</code>.
	 */