IN PROGRESS - issue YAKHMI-101: No operation declaration in states

https://intern.itemis.de/jira/browse/YAKHMI-101

plugins/org.yakindu.sct.model.stext.ui/src/org/yakindu/sct/model/stext/ui/contentassist/STextProposalProvider.java

@@ -73,6 +73,8 @@ public class STextProposalProvider extends AbstractSTextProposalProvider {
 					.getGroup().eContents()));
 			keywords.addAll(getKeywords(grammarAccess.getDirectionAccess()
 					.getAlternatives().eContents()));
+			keywords.addAll(getKeywords(grammarAccess.getOperationAccess()
+					.getGroup().eContents()));
 		}
 		// context Statechart
 		else if (contentAssistContext.getRootModel() instanceof StatechartDefinition) {