void () { doTest( InspectionGadgetsBundle.message("extract.parameter.as.local.variable.quickfix"), "class X {" + " Function<A, A> f = (a) -> a/**/ = null;" + "}", "class X {" + " Function<A, A> f = (a) -> {\n" + " A a1 = a;\n" + " return a1 = null;\n" + "};}" ); }