Bug 186403 [KeyBindings] provide conflict information to users outside of logging
bundles/org.eclipse.jface/src/org/eclipse/jface/bindings/BindingManager.java
* This method completes in <code>O(1)</code>.
	 * </p>
	 * 
	 * @return The active platform; never <code>null</code>.
	 */
	public final String getPlatform() {
		return platform;
	}
	/**
	 * <p>
	 * Returns the prefix table. The caller must not modify the returned map.
	 * </p>
	 * <p>
	 * This method completes in <code>O(1)</code>. If the active bindings are
	 * not yet computed, then this completes in <code>O(n)</code>, where
	 * <code>n</code> is the number of bindings.
	 * </p>
	 * 
	 * @return A map of prefixes (<code>TriggerSequence</code>) to a map of
	 *         available completions (possibly <code>null</code>, which means
	 *         there is an exact match). The available completions is a map of
	 *         trigger (<code>TriggerSequence</code>) to binding (<code>Binding</code>).
	 *         This value will never be <code>null</code> but may be empty.
	 */
	private final Map getPrefixTable() {
		if (prefixTable == null) {
			recomputeBindings();
		}
		return prefixTable;
	}