pojokcodeid.nvim-lazy/lua/user/utils/lsp.lua

local M = {}

M.list_registered_providers_names = function(filetype)
  local s = require("null-ls.sources")
  local available_sources = s.get_available(filetype)
  local registered = {}
  for _, source in ipairs(available_sources) do
    for method in pairs(source.methods) do
      registered[method] = registered[method] or {}
      table.insert(registered[method], source.name)
    end
  end
  return registered
end

return M