Bug 183890 [DataBinding] Default converter for numbers to numbers
We don't currently default converters for converting between numbers (e.g. int to double, long to int, etc.).
bundles/org.eclipse.core.databinding/src/org/eclipse/core/databinding/UpdateValueStrategy.java
result = validatorRegistry.get(fromType, toType);
			}
		}
		return result;
	}
	/**
	 * @return the update policy
	 */
	public int getUpdatePolicy() {
		return updatePolicy;
	}
	/**
	 * Sets the validator to be invoked after the source value is converted to
	 * the type of the destination observable.
	 * 
	 * @param validator
	 * @return the receiver, to enable method call chaining
	 */
	public UpdateValueStrategy setAfterConvertValidator(IValidator validator) {
		this.afterConvertValidator = validator;
		return this;
	}
	/**
	 * Sets the validator to be invoked after the source value is retrieved at
	 * the beginning of the synchronization process.
	 * 
	 * @param validator
	 * @return the receiver, to enable method call chaining
	 */
	public UpdateValueStrategy setAfterGetValidator(IValidator validator) {