String parameterDeclarationSource= createDeclarationForEnclosingInstance();
String parameterDeclarationSource= createDeclarationForEnclosingInstanceConstructorParameter();
	private TextEdit createAddParameterToConstructorEdit(MethodDeclaration decl) throws JavaModelException {		int scanStart= ASTNodes.getExclusiveEnd(decl.getName());		int offset= computeOffsetForFirstArgumentOrParameter(decl.parameters(), getInputTypeCu(), scanStart);		String parameterDeclarationSource= createDeclarationForEnclosingInstance();		if (decl.parameters().isEmpty())			return SimpleTextEdit.createInsert(offset, parameterDeclarationSource);		else 			return SimpleTextEdit.createInsert(offset, parameterDeclarationSource + ", "); //$NON-NLS-1$	}