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
*/
	private boolean defaultedConverter = false;
	/**
	 * Creates a new update value strategy for automatically updating the
	 * destination observable value whenever the source observable value
	 * changes. Default validators and a default converter will be provided. The
	 * defaults can be changed by calling one of the setter methods.
	 */
	public UpdateValueStrategy() {
		this(true, POLICY_UPDATE);
	}
	/**
	 * Creates a new update value strategy with a configurable update policy.
	 * Default validators and a default converter will be provided. The defaults
	 * can be changed by calling one of the setter methods.
	 * 
	 * @param updatePolicy
	 *            one of {@link #POLICY_NEVER}, {@link #POLICY_ON_REQUEST},
	 *            {@link #POLICY_CONVERT}, or {@link #POLICY_UPDATE}
	 */
	public UpdateValueStrategy(int updatePolicy) {
		this(true, updatePolicy);
	}
	/**
	 * Creates a new update value strategy with a configurable update policy.
	 * Default validators and a default converter will be provided if
	 * <code>provideDefaults</code> is <code>true</code>. The defaults can
	 * be changed by calling one of the setter methods.
	 * 
	 * @param provideDefaults