local _ = {
    -- If a user has a sources list it will replace this one.
    -- Only sources listed here will be loaded.
    -- You can also add an external source by adding it's name to this list.
    -- The name used here must be the same name you would use in a require() call.
    sources = {
        "filesystem",
        "buffers",
        "git_status",
        -- "document_symbols",
    },
    add_blank_line_at_top = false, -- Add a blank line at the top of the tree.
    auto_clean_after_session_restore = false, -- Automatically clean up broken neo-tree buffers saved in sessions
    close_if_last_window = false, -- Close Neo-tree if it is the last window left in the tab
    -- popup_border_style is for input and confirmation dialogs.
    -- Configurtaion of floating window is done in the individual source sections.
    -- "NC" is a special style that works well with NormalNC set
    close_floats_on_escape_key = true,
    default_source = "filesystem",
    enable_diagnostics = true,
    enable_git_status = true,
    enable_modified_markers = true, -- Show markers for files with unsaved changes.
    enable_opened_markers = true,   -- Enable tracking of opened files. Required for `components.name.highlight_opened_files`
    enable_refresh_on_write = true, -- Refresh the tree when a file is written. Only used if `use_libuv_file_watcher` is false.
    git_status_async = true,
    -- These options are for people with VERY large git repos
    git_status_async_options = {
        batch_size = 1000, -- how many lines of git status results to process at a time
        batch_delay = 10,  -- delay in ms between batches. Spreads out the workload to let other processes run.
        max_lines = 10000, -- How many lines of git status results to process. Anything after this will be dropped.
        -- Anything before this will be used. The last items to be processed are the untracked files.
    },
    hide_root_node = false, -- Hide the root node.
    retain_hidden_root_indent = false, -- IF the root node is hidden, keep the indentation anyhow. 
    -- This is needed if you use expanders because they render in the indent.
    log_level = "info", -- "trace", "debug", "info", "warn", "error", "fatal"
    log_to_file = false, -- true, false, "/path/to/file.log", use :NeoTreeLogs to show the file
    open_files_in_last_window = true, -- false = open files in top left window
    open_files_do_not_replace_types = { "terminal", "trouble", "qf" }, -- when opening files, do not use windows containing these filetypes or buftypes
    popup_border_style = "NC", -- "double", "none", "rounded", "shadow", "single" or "solid"
    resize_timer_interval = 500, -- in ms, needed for containers to redraw right aligned and faded content
    -- set to -1 to disable the resize timer entirely
    --                           -- NOTE: this will speed up to 50 ms for 1 second following a resize
    sort_case_insensitive = false, -- used when sorting files and directories in the tree
    sort_function = nil , -- uses a custom function for sorting files and directories in the tree
    use_popups_for_input = true, -- If false, inputs will use vim.ui.input() instead of custom floats.
    use_default_mappings = true,
    -- source_selector provides clickable tabs to switch between sources.
    source_selector = {
        winbar = false, -- toggle to show selector on winbar
        statusline = false, -- toggle to show selector on statusline
        show_scrolled_off_parent_node = false, -- this will replace the tabs with the parent path
        -- of the top visible node when scrolled down.
        sources = {
            { source = "filesystem" },
            { source = "buffers" },
            { source = "git_status" },
        },
        content_layout = "start", -- only with `tabs_layout` = "equal", "focus"
        --                start  : |/ 裡 bufname     \/...
        --                end    : |/     裡 bufname \/...
        --                center : |/   裡 bufname   \/...
        tabs_layout = "equal", -- start, end, center, equal, focus
        --             start  : |/  a  \/  b  \/  c  \            |
        --             end    : |            /  a  \/  b  \/  c  \|
        --             center : |      /  a  \/  b  \/  c  \      |
        --             equal  : |/    a    \/    b    \/    c    \|
        --             active : |/  focused tab    \/  b  \/  c  \|
        truncation_character = "…", -- character to use when truncating the tab label
        tabs_min_width = nil, -- nil | int: if int padding is added based on `content_layout`
        tabs_max_width = nil, -- this will truncate text even if `text_trunc_to_fit = false`
        padding = 0, -- can be int or table
        -- padding = { left = 2, right = 0 },
        -- separator = "▕", -- can be string or table, see below
        separator = { left = "▏", right= "▕" },
        -- separator = { left = "/", right = "\\", override = nil },     -- |/  a  \/  b  \/  c  \...
        -- separator = { left = "/", right = "\\", override = "right" }, -- |/  a  \  b  \  c  \...
        -- separator = { left = "/", right = "\\", override = "left" },  -- |/  a  /  b  /  c  /...
        -- separator = { left = "/", right = "\\", override = "active" },-- |/  a  / b:active \  c  \...
        -- separator = "|",                                              -- ||  a  |  b  |  c  |...
        separator_active = nil, -- set separators around the active tab. nil falls back to `source_selector.separator`
        show_separator_on_edge = false,
        --                       true  : |/    a    \/    b    \/    c    \|
        --                       false : |     a    \/    b    \/    c     |
        highlight_tab = "NeoTreeTabInactive",
        highlight_tab_active = "NeoTreeTabActive",
        highlight_background = "NeoTreeTabInactive",
        highlight_separator = "NeoTreeTabSeparatorInactive",
        highlight_separator_active = "NeoTreeTabSeparatorActive",
    },
    --
    --event_handlers = {
    --  {
    --    event = "before_render",
    --    handler = function (state)
    --      -- add something to the state that can be used by custom components
    --    end
    --  },
    --  {
    --    event = "file_opened",
    --    handler = function(file_path)
    --      --auto close
    --      require("neo-tree").close_all()
    --    end
    --  },
    --  {
    --    event = "file_opened",
    --    handler = function(file_path)
    --      --clear search after opening a file
    --      require("neo-tree.sources.filesystem").reset_search()
    --    end
    --  },
    --  {
    --    event = "file_renamed",
    --    handler = function(args)
    --      -- fix references to file
    --      print(args.source, " renamed to ", args.destination)
    --    end
    --  },
    --  {
    --    event = "file_moved",
    --    handler = function(args)
    --      -- fix references to file
    --      print(args.source, " moved to ", args.destination)
    --    end
    --  },
    --  {
    --    event = "neo_tree_buffer_enter",
    --    handler = function()
    --      vim.cmd 'highlight! Cursor blend=100'
    --    end
    --  },
    --  {
    --    event = "neo_tree_buffer_leave",
    --    handler = function()
    --      vim.cmd 'highlight! Cursor guibg=#5f87af blend=0'
    --    end
    --  },
    -- {
    --   event = "neo_tree_window_before_open",
    --   handler = function(args)
    --     print("neo_tree_window_before_open", vim.inspect(args))
    --   end
    -- },
    -- {
    --   event = "neo_tree_window_after_open",
    --   handler = function(args)
    --     vim.cmd("wincmd =")
    --   end
    -- },
    -- {
    --   event = "neo_tree_window_before_close",
    --   handler = function(args)
    --     print("neo_tree_window_before_close", vim.inspect(args))
    --   end
    -- },
    -- {
    --   event = "neo_tree_window_after_close",
    --   handler = function(args)
    --     vim.cmd("wincmd =")
    --   end
    -- }
    --},
    default_component_configs = {
        container = {
            enable_character_fade = true,
            width = "100%",
            right_padding = 0,
        },
        --diagnostics = {
        --  symbols = {
        --    hint = "H",
        --    info = "I",
        --    warn = "!",
        --    error = "X",
        --  },
        --  highlights = {
        --    hint = "DiagnosticSignHint",
        --    info = "DiagnosticSignInfo",
        --    warn = "DiagnosticSignWarn",
        --    error = "DiagnosticSignError",
        --  },
        --},
        indent = {
            indent_size = 2,
            padding = 1,
            -- indent guides
            with_markers = true,
            indent_marker = "│",
            last_indent_marker = "└",
            highlight = "NeoTreeIndentMarker",
            -- expander config, needed for nesting files
            with_expanders = nil, -- if nil and file nesting is enabled, will enable expanders
            expander_collapsed = "",
            expander_expanded = "",
            expander_highlight = "NeoTreeExpander",
        },
        icon = {
            folder_closed = "",
            folder_open = "",
            folder_empty = "ﰊ",
            folder_empty_open = "ﰊ",
            -- The next two settings are only a fallback, if you use nvim-web-devicons and configure default icons there
            -- then these will never be used.
            default = "*",
            highlight = "NeoTreeFileIcon"
        },
        modified = {
            symbol = "[+] ",
            highlight = "NeoTreeModified",
        },
        name = {
            trailing_slash = false,
            highlight_opened_files = false, -- Requires `enable_opened_markers = true`. 
            -- Take values in { false (no highlight), true (only loaded), 
            -- "all" (both loaded and unloaded)}. For more information,
            -- see the `show_unloaded` config of the `buffers` source.
            use_git_status_colors = true,
            highlight = "NeoTreeFileName",
        },
        git_status = {
            symbols = {
                -- Change type
                added     = "✚", -- NOTE: you can set any of these to an empty string to not show them
                deleted   = "✖",
                modified  = "",
                renamed   = "",
                -- Status type
                untracked = "",
                ignored   = "",
                unstaged  = "",
                staged    = "",
                conflict  = "",
            },
            align = "right",
        },
    },
    renderers = {
        directory = {
            { "indent" },
            { "icon" },
            { "current_filter" },
            {
                "container",
                content = {
                    { "name", zindex = 10 },
                    -- {
                    --   "symlink_target",
                    --   zindex = 10,
                    --   highlight = "NeoTreeSymbolicLinkTarget",
                    -- },
                    { "clipboard", zindex = 10 },
                    { "diagnostics", errors_only = true, zindex = 20, align = "right", hide_when_expanded = true },
                    { "git_status", zindex = 20, align = "right", hide_when_expanded = true },
                },
            },
        },
        file = {
            { "indent" },
            { "icon" },
            {
                "container",
                content = {
                    {
                        "name",
                        zindex = 10
                    },
                    -- {
                    --   "symlink_target",
                    --   zindex = 10,
                    --   highlight = "NeoTreeSymbolicLinkTarget",
                    -- },
                    { "clipboard", zindex = 10 },
                    { "bufnr", zindex = 10 },
                    { "modified", zindex = 20, align = "right" },
                    { "diagnostics",  zindex = 20, align = "right" },
                    { "git_status", zindex = 20, align = "right" },
                },
            },
        },
        message = {
            { "indent", with_markers = false },
            { "name", highlight = "NeoTreeMessage" },
        },
        terminal = {
            { "indent" },
            { "icon" },
            { "name" },
            { "bufnr" }
        }
    },
    nesting_rules = {},
    -- Global custom commands that will be available in all sources (if not overridden in `opts[source_name].commands`)
    --
    -- You can then reference the custom command by adding a mapping to it:
    --    globally    -> `opts.window.mappings`
    --    locally     -> `opt[source_name].window.mappings` to make it source specific.
    --
    -- commands = {              |  window {                 |  filesystem {
    --   hello = function()      |    mappings = {           |    commands = {
    --     print("Hello world")  |      ["<C-c>"] = "hello"  |      hello = function()
    --   end                     |    }                      |        print("Hello world in filesystem")
    -- }                         |  }                        |      end
    --
    -- see `:h neo-tree-global-custom-commands`
    commands = {}, -- A list of functions

    window = { -- see https://github.com/MunifTanjim/nui.nvim/tree/main/lua/nui/popup for
    -- possible options. These can also be functions that return these options.
    position = "left", -- left, right, top, bottom, float, current
    width = 40, -- applies to left and right positions
    height = 15, -- applies to top and bottom positions
    auto_expand_width = false, -- expand the window when file exceeds the window width. does not work with position = "float"
    popup = { -- settings that apply to float position only
    size = {
        height = "80%",
        width = "50%",
    },
    position = "50%", -- 50% means center it
    -- you can also specify border here, if you want a different setting from
    -- the global popup_border_style.
},
same_level = false, -- Create and paste/move files/directories on the same level as the directory under cursor (as opposed to within the directory under cursor).
insert_as = "child", -- Affects how nodes get inserted into the tree during creation/pasting/moving of files if the node under the cursor is a directory:
-- "child":   Insert nodes as children of the directory under cursor.
-- "sibling": Insert nodes  as siblings of the directory under cursor.
-- Mappings for tree window. See `:h neo-tree-mappings` for a list of built-in commands.
-- You can also create your own commands by providing a function instead of a string.
mapping_options = {
    noremap = true,
    nowait = true,
},
mappings = {
    ["<space>"] = {
        "toggle_node",
        nowait = false, -- disable `nowait` if you have existing combos starting with this char that you want to use
    },
    ["<2-LeftMouse>"] = "open",
    ["<cr>"] = "open",
    ["<esc>"] = "revert_preview",
    ["P"] = { "toggle_preview", config = { use_float = true } },
    ["l"] = "focus_preview",
    ["S"] = "open_split",
    -- ["S"] = "split_with_window_picker",
    ["s"] = "open_vsplit",
    -- ["s"] = "vsplit_with_window_picker",
    ["t"] = "open_tabnew",
    -- ["<cr>"] = "open_drop",
    -- ["t"] = "open_tab_drop",
    ["w"] = "open_with_window_picker",
    ["C"] = "close_node",
    ["z"] = "close_all_nodes",
    --["Z"] = "expand_all_nodes",
    ["R"] = "refresh",
    ["a"] = {
        "add",
        -- some commands may take optional config options, see `:h neo-tree-mappings` for details
        config = {
            show_path = "none", -- "none", "relative", "absolute"
        }
    },
    ["A"] = "add_directory", -- also accepts the config.show_path and config.insert_as options.
    ["d"] = "delete",
    ["r"] = "rename",
    ["y"] = "copy_to_clipboard",
    ["x"] = "cut_to_clipboard",
    ["p"] = "paste_from_clipboard",
    ["c"] = "copy", -- takes text input for destination, also accepts the config.show_path and config.insert_as options
    ["m"] = "move", -- takes text input for destination, also accepts the config.show_path and config.insert_as options
    ["e"] = "toggle_auto_expand_width",
    ["q"] = "close_window",
    ["?"] = "show_help",
    ["<"] = "prev_source",
    [">"] = "next_source",
},
  },
  filesystem = {
      window = {
          mappings = {
              ["H"] = "toggle_hidden",
              ["/"] = "fuzzy_finder",
              ["D"] = "fuzzy_finder_directory",
              --["/"] = "filter_as_you_type", -- this was the default until v1.28
              ["#"] = "fuzzy_sorter", -- fuzzy sorting using the fzy algorithm
              -- ["D"] = "fuzzy_sorter_directory",
              ["f"] = "filter_on_submit",
              ["<C-x>"] = "clear_filter",
              ["<bs>"] = "navigate_up",
              ["."] = "set_root",
              ["[g"] = "prev_git_modified",
              ["]g"] = "next_git_modified",
          },
          fuzzy_finder_mappings = { -- define keymaps for filter popup window in fuzzy_finder_mode
          ["<down>"] = "move_cursor_down",
          ["<C-n>"] = "move_cursor_down",
          ["<up>"] = "move_cursor_up",
          ["<C-p>"] = "move_cursor_up",
      },
  },
  async_directory_scan = "auto", -- "auto"   means refreshes are async, but it's synchronous when called from the Neotree commands.
  -- "always" means directory scans are always async.
  -- "never"  means directory scans are never async.
  scan_mode = "shallow", -- "shallow": Don't scan into directories to detect possible empty directory a priori
  -- "deep": Scan into directories to detect empty or grouped empty directories a priori.
  bind_to_cwd = true, -- true creates a 2-way binding between vim's cwd and neo-tree's root
  cwd_target = {
      sidebar = "tab",   -- sidebar is when position = left or right
      current = "window" -- current is when position = current
  },
  -- The renderer section provides the renderers that will be used to render the tree.
  --   The first level is the node type.
  --   For each node type, you can specify a list of components to render.
  --       Components are rendered in the order they are specified.
  --         The first field in each component is the name of the function to call.
  --         The rest of the fields are passed to the function as the "config" argument.
  filtered_items = {
      visible = false, -- when true, they will just be displayed differently than normal items
      force_visible_in_empty_folder = false, -- when true, hidden files will be shown if the root folder is otherwise empty
      show_hidden_count = true, -- when true, the number of hidden items in each folder will be shown as the last entry
      hide_dotfiles = true,
      hide_gitignored = true,
      hide_hidden = true, -- only works on Windows for hidden files/directories
      hide_by_name = {
          ".DS_Store",
          "thumbs.db"
          --"node_modules",
      },
      hide_by_pattern = { -- uses glob style patterns
      --"*.meta",
      --"*/src/*/tsconfig.json"
  },
  always_show = { -- remains visible even if other settings would normally hide it
  --".gitignored",
      },
      never_show = { -- remains hidden even if visible is toggled to true, this overrides always_show
      --".DS_Store",
      --"thumbs.db"
  },
  never_show_by_pattern = { -- uses glob style patterns
  --".null-ls_*",
      },
  },
  find_by_full_path_words = false,  -- `false` means it only searches the tail of a path.
  -- `true` will change the filter into a full path
  -- search with space as an implicit ".*", so
  -- `fi init`
  -- will match: `./sources/filesystem/init.lua
  --find_command = "fd", -- this is determined automatically, you probably don't need to set it
  --find_args = {  -- you can specify extra args to pass to the find command.
  --  fd = {
      --  "--exclude", ".git",
      --  "--exclude",  "node_modules"
      --  }
      --},
      ---- or use a function instead of list of strings
      --find_args = function(cmd, path, search_term, args)
          --  if cmd ~= "fd" then
          --    return args
          --  end
          --  --maybe you want to force the filter to always include hidden files:
          --  table.insert(args, "--hidden")
          --  -- but no one ever wants to see .git files
          --  table.insert(args, "--exclude")
          --  table.insert(args, ".git")
          --  -- or node_modules
          --  table.insert(args, "--exclude")
          --  table.insert(args, "node_modules")
          --  --here is where it pays to use the function, you can exclude more for
          --  --short search terms, or vary based on the directory
          --  if string.len(search_term) < 4 and path == "/home/cseickel" then
          --    table.insert(args, "--exclude")
          --    table.insert(args, "Library")
          --  end
          --  return args
          --end,
          group_empty_dirs = false, -- when true, empty folders will be grouped together
          search_limit = 50, -- max number of search results when using filters
          follow_current_file = false, -- This will find and focus the file in the active buffer every time
          -- the current file is changed while the tree is open.
          hijack_netrw_behavior = "open_default", -- netrw disabled, opening a directory opens neo-tree
          -- in whatever position is specified in window.position
          -- "open_current",-- netrw disabled, opening a directory opens within the
          -- window like netrw would, regardless of window.position
          -- "disabled",    -- netrw left alone, neo-tree does not handle opening dirs
          use_libuv_file_watcher = false, -- This will use the OS level file watchers to detect changes
          -- instead of relying on nvim autocmd events.
      },
      buffers = {
          bind_to_cwd = true,
          follow_current_file = true, -- This will find and focus the file in the active buffer every time
          -- the current file is changed while the tree is open.
          group_empty_dirs = true,  -- when true, empty directories will be grouped together
          show_unloaded = false,    -- When working with sessions, for example, restored but unfocused buffers
          -- are mark as "unloaded". Turn this on to view these unloaded buffer.
          window = {
              mappings = {
                  ["<bs>"] = "navigate_up",
                  ["."] = "set_root",
                  ["bd"] = "buffer_delete",
              },
          },
      },
      git_status = {
          window = {
              mappings = {
                  ["A"] = "git_add_all",
                  ["gu"] = "git_unstage_file",
                  ["ga"] = "git_add_file",
                  ["gr"] = "git_revert_file",
                  ["gc"] = "git_commit",
                  ["gp"] = "git_push",
                  ["gg"] = "git_commit_and_push",
              },
          },
      },
      document_symbols = {
          follow_cursor = false,
          client_filters = "first",
          renderers = {
              root = {
                  {"indent"},
                  {"icon", default="C" },
                  {"name", zindex = 10},
              },
              symbol = {
                  {"indent", with_expanders = true},
                  {"kind_icon", default="?" },
                  {"container",
                  content = {
                      {"name", zindex = 10},
                      {"kind_name", zindex = 20, align = "right"},
                  }
              }
          },
      },
      window = {
          mappings = {
              ["<cr>"] = "jump_to_symbol",
              ["o"] = "jump_to_symbol",
              ["A"] = "noop", -- also accepts the config.show_path and config.insert_as options.
              ["d"] = "noop",
              ["y"] = "noop",
              ["x"] = "noop",
              ["p"] = "noop",
              ["c"] = "noop",
              ["m"] = "noop",
              ["a"] = "noop",
          },
      },
      custom_kinds = {
          -- define custom kinds here (also remember to add icon and hl group to kinds)
          -- ccls
          -- [252] = 'TypeAlias',
          -- [253] = 'Parameter',
          -- [254] = 'StaticMethod',
          -- [255] = 'Macro',
      },
      kinds = {
          Unknown = { icon = "?", hl = "" },
          Root = { icon = "", hl = "NeoTreeRootName" },
          File = { icon = "", hl = "Tag" },
          Module = { icon = "", hl = "Exception" },
          Namespace = { icon = "", hl = "Include" },
          Package = { icon = "", hl = "Label" },
          Class = { icon = "", hl = "Include" },
          Method = { icon = "", hl = "Function" },
          Property = { icon = "", hl = "@property" },
          Field = { icon = "", hl = "@field" },
          Constructor = { icon = "", hl = "@constructor" },
          Enum = { icon = "了", hl = "@number" },
          Interface = { icon = "", hl = "Type" },
          Function = { icon = "", hl = "Function" },
          Variable = { icon = "", hl = "@variable" },
          Constant = { icon = "", hl = "Constant" },
          String = { icon = "", hl = "String" },
          Number = { icon = "", hl = "Number" },
          Boolean = { icon = "", hl = "Boolean" },
          Array = { icon = "", hl = "Type" },
          Object = { icon = "", hl = "Type" },
          Key = { icon = "", hl = "" },
          Null = { icon = "", hl = "Constant" },
          EnumMember = { icon = "", hl = "Number" },
          Struct = { icon = "", hl = "Type" },
          Event = { icon = "", hl = "Constant" },
          Operator = { icon = "", hl = "Operator" },
          TypeParameter = { icon = "", hl = "Type" },

          -- ccls
          -- TypeAlias = { icon = ' ', hl = 'Type' },
          -- Parameter = { icon = ' ', hl = '@parameter' },
          -- StaticMethod = { icon = 'ﴂ ', hl = 'Function' },
          -- Macro = { icon = ' ', hl = 'Macro' },
      }
  },
  example = {
      renderers = {
          custom = {
              {"indent"},
              {"icon", default="C" },
              {"custom"},
              {"name"}
          }
      },
      window = {
          mappings = {
              ["<cr>"] = "toggle_node",
              ["<C-e>"] = "example_command",
              ["d"] = "show_debug_info",
          },
      },
  },
}