Bug 187796 [KeyBindings] IBindingService cannot return best active bindings for a ParameterizedCommand
IBindingService only supports getBestActiveBindingFor(final String commandId) ... there must be an equivalent method for ParameterizedCommands PW
bundles/org.eclipse.jface/src/org/eclipse/jface/bindings/BindingManager.java
if (Util.equals(schemeId, activeSchemeIds[j])) {
						found = true;
						break;
					}
				}
			}
			if (!found) {
				continue;
			}
			
			final TriggerSequence trigger = binding.getTriggerSequence();
			final Object existingMatch = possibleBindings.get(trigger);
			if (existingMatch instanceof Binding) {
				possibleBindings.remove(trigger);
				final Collection matches = new ArrayList();
				matches.add(existingMatch);
				matches.add(binding);
				possibleBindings.put(trigger, matches);
			} else if (existingMatch instanceof Collection) {
				final Collection matches = (Collection) existingMatch;
				matches.add(binding);
			} else {
				possibleBindings.put(trigger, binding);
			}
		}
		MultiStatus conflicts = new MultiStatus("org.eclipse.jface", 0, 
				"Keybinding conflicts occurred.  They may interfere with normal accelerator operation.", 
				null);
		/*
		 * THIRD PASS: In this pass, we move any non-conflicting bindings