=> (defmacro vararg
      [method object & args]
      (let [[regular [_ t & variable]] (split-with #(not= % '|) args)]
        `(. ~object ~method ~@regular (into-array ~t ~(vec variable)))))
#'user/vararg
=> (macroexpand-1 '(vararg get java.nio.file.Paths "foo" | String "bar" "baz"))
(. java.nio.file.Paths get "foo" (clojure.core/into-array String ["bar" "baz"]))
=> (vararg get java.nio.file.Paths "foo" | String "bar" "baz")
#object[sun.nio.fs.UnixPath 0x14ebb640 "foo/bar/baz"]