.submixin(@a) {

border-width: @a;

} .mixin (9) {

border: 9 !important;

} .mixin (@a: 0) {

border: @a;
boxer: @a;
.inner {
  test: @a;
}
// comment
.submixin(@a);

}

.class {

.mixin(1);
.mixin(2) !important;
.mixin(3);
.mixin(4) !important;
.mixin(5);
.mixin !important;
.mixin(9);

} .size(@aaa: auto) {

.set-width(@aaa) {
  width: @aaa;
}
.set-width(@aaa);

} .when-calling-nested-issue-2394 {

.size() !important;

} .when-calling-nested-with-param-issue-2394 {

.size(10px) !important;

} .testMixin-2421 () {

.topCheck-2421 () {
    .nestedCheck-2421() {
        margin: 5px;
    }
    .nestedCheck-2421();
}
.topCheck-2421();

} .class1-2421 {

.testMixin-2421() !important;

} .class2-2421 {

.testMixin-2421();

}