@param pattern the pattern the name of the binding has to match.
	 * @param isFullyQualified if {@code true}, binding must be in global scope
	 * @param filter a filter that allows for skipping parts of the index
	 * @param monitor a monitor to report progress, may be {@code null}.
	 * @return an array of bindings matching the pattern
	 * @throws CoreException
@param pattern the pattern the name of the binding has to match.
	 * @param isFullyQualified if {@code true}, binding must be in global scope
	 * @param filter a filter that allows for skipping parts of the index
	 * @param monitor a monitor to report progress, may be {@code null}.
	 * @return an array of bindings matching the pattern
	 * @throws CoreException | IIndex.java