import { winblend } from "https://deno.land/x/denops_std@v4.1.7/option/nvim/mod.ts";
Enables pseudo-transparency for a floating window. Valid values are in the range of 0 for fully opaque window (disabled) to 100 for fully transparent background. Values between 0-30 are typically most useful.
UI-dependent. Works best with RGB colors. 'termguicolors'
(default 0)