let m = $objectWrappers.wrap($maps.mutableMapOf())
let names = $objectWrappers.wrap($arrays.arrayOf($plugins.loadClass("java.lang.String"), "Alice", "Bob", "Charlie"))
// {Alice=5, Bob=3, Charlie=7}
names.associateByTo(m, (it) => it, (it) => $objectWrappers.wrap(it).count()).forEach((it) => {
    $console.log(it)
})