Bug 120598 Refactoring History JAR Export Wizard should allow (de-)selecting refactorings
I20051213-0010 It is currently not possible to deselect single refactorings from the history during the export of a JAR - only refactorings before a certain date can be excluded. I'd suggest adding the possibility of selecting/deselecting refactorings.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/jarpackager/JarPackageData.java
* Sets whether a manifest must be included in the JAR.
	 * 
	 * @param state the new state
	 */
	public void setUsesManifest(boolean state) {
		fUsesManifest= state;
	}
	
	/**
	 * Gets the manifest provider for this JAR package.
	 * 
	 * @return the IManifestProvider
	 */
	public IManifestProvider getManifestProvider() {
		if (fManifestProvider == null)
			fManifestProvider= new ManifestProvider();
		return fManifestProvider;
	}
	
	/**
	 * Sets the manifest provider.
	 * 
	 * @param manifestProvider the ManifestProvider to set
	 */
	public void setManifestProvider(IManifestProvider manifestProvider) {
		fManifestProvider= manifestProvider;
	}
	
	/**
	 * Answers whether the JAR itself is sealed.