package jas.hist; import java.util.Enumeration; import javax.swing.JMenu; interface SupportsFunctions { int numberOfFunctions(); Enumeration getFunctions(); void removeAllFunctions(); void update(JASHist1DFunctionData func); JASHist1DFunctionData addFunction(Basic1DFunction d); void removeFunction(JASHist1DFunctionData d); void fillFunctionMenu(JMenu menu); }