void (@NotNull PsiElement element, @NotNull ActionContext context, @NotNull ModPsiUpdater updater) { final GrExpression cast = GroovyPsiElementFactory.getInstance(context.project()).createExpressionFromText("a as char"); ((GrSafeCastExpression)cast).getOperand().replaceWithExpression((GrExpression)element, true); ((GrExpression)element).replaceWithExpression(cast, true); }