public void setContextParameters(IDocument document, int position, ICompilationUnit compilationUnit) {
public void setContextParameters(IDocument document, int offset, int length, ICompilationUnit compilationUnit) {
	public void setContextParameters(IDocument document, int position, ICompilationUnit compilationUnit) {		fDocument= document;		fPosition= position;		fCompilationUnit= compilationUnit;	}