Bug 127861 [DataBinding] Mark API provisional
bundles/org.eclipse.jface.databinding/src/org/eclipse/jface/internal/databinding/DataBindingContext.java
|| fromType.isAssignableFrom(toType)) {
					return new IdentityConverter(fromType, toType);
				}
				return null;
			}
			public IDomainValidator createDomainValidator(Class modelType, Object modelDescription) {
				return new IDomainValidator() {
					public String isValid(Object value) {
						return null;
					}
				};
			}
		});
	}
	private void removeValidationListenerAndMessage(List listOfPairs,
			Object first) {
		for (int i = listOfPairs.size() - 1; i >= 0; i--) {
			Pair pair = (Pair) listOfPairs.get(i);
			if (pair.a.equals(first)) {
				listOfPairs.remove(i);
				return;
			}
		}
		return;
	}
	/**
	 * @param listener
	 * @param partialValidationErrorOrNull
	 */
	public void updatePartialValidationError(IChangeListener listener,