Crumbs:
  foo()
  when
  else ->
  when (x)
  …isSomethingLong() ->
  when (y)
  y.isSomething() ->
  when (z)
  is VeryVeryVeryVer… ->
  when (xxx)
  …num.SomeLongValue ->
  when (yyy)
  !in Int.MIN_VALUE..… ->
  when (zzz)
  is A,… ->
  when (x1)
  …yVeryVeryLongName,… ->
  when (y1)
  is VeryVeryVeryVer… ->
Tooltips:
  function <b><code>foo()</code></b>
  when
  else ->
  when (x)
  x.isSomethingLong() ->
  when (y)
  y.isSomething() ->
  when (z)
  is VeryVeryVeryVeryLongName ->
  when (xxx)
  SomeEnum.SomeLongValue ->
  when (yyy)
  !in Int.MIN_VALUE..Int.MAX_VALUE ->
  when (zzz)
  is A,… ->
  when (x1)
  A.VeryVeryVeryLongName,… ->
  when (y1)
  is VeryVeryVeryVeryLongClassName,… ->