Bug 315281 update copyrights for 3.6
bundles/org.eclipse.jface/src/org/eclipse/jface/bindings/CachedBindingSet.java
if (commandIdsByTrigger == null) {
			throw new NullPointerException(
					"Cannot set a null binding resolution"); 
		}
		this.bindingsByTrigger = commandIdsByTrigger;
	}
	/**
	 * Sets the map of conflicting bindings by trigger.
	 * 
	 * @param conflicts
	 *            The map to set; must not be <code>null</code>.
	 * @since 3.3
	 */
	final void setConflictsByTrigger(final Map conflicts) {
		if (conflicts == null) {
			throw new NullPointerException(
					"Cannot set a null binding conflicts"); 
		}
		conflictsByTrigger = conflicts;
	}
	/**
	 * Sets the map of prefixes to a map of trigger sequence to command
	 * identifiers.
	 * 
	 * @param prefixTable
	 *            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 command
	 *            identifier (<code>String</code>). Must not be