require("outline").setup({
  guides = {
    enabled = true,
    markers = {
      bottom = '└',
      middle = '├',
      vertical = '│',
      horizontal = '─',
    },
  },
  outline_items = {
    show_symbol_details = true,
    show_symbol_lineno = false,
    -- The two below are both for auto_update_events.follow
    highlight_hovered_item = true,
    -- On open, always followed. This is for auto_update_events.follow, whether
    -- to auto update cursor position to reflect code location. If false, can
    -- manually trigger with follow_cursor (API, command, keymap action).
    auto_set_cursor = true,
    auto_update_events = {
      follow = { 'CursorMoved' },
      items = { 'InsertLeave', 'WinEnter', 'BufEnter', 'BufWinEnter', 'BufWritePost' },
    },
  },
  outline_window = {
    position = 'right',
    split_command = nil,
    width = 25,
    relative_width = true,
    wrap = false,
    focus_on_open = true,
    auto_close = false,
    auto_jump = false,
    show_numbers = false,
    show_relative_numbers = false,
    ---@type boolean|string?
    show_cursorline = true,
    hide_cursor = false,
    winhl = '',
    jump_highlight_duration = 400,
    center_on_jump = true,
  },
  preview_window = {
    live = false,
    auto_preview = false,
    width = 50,
    min_width = 50,
    relative_width = true,
    height = 50,
    min_height = 10,
    relative_height = true,
    border = 'single',
    open_hover_on_preview = false,
    winhl = 'NormalFloat:',
    winblend = 0,
  },
  symbol_folding = {
    autofold_depth = 1,
    auto_unfold = {
      hovered = true,
      ---@type boolean|integer
      only = true,
    },
    markers = { '', '' },
  },
  keymaps = {
    show_help = '?',
    close = { '<Esc>', 'q' },
    goto_location = '<Cr>',
    peek_location = 'o',
    goto_and_close = '<S-Cr>',
    restore_location = '<C-g>',
    hover_symbol = '<C-space>',
    toggle_preview = 'K',
    rename_symbol = 'r',
    code_actions = 'a',
    fold = 'h',
    fold_toggle = '<tab>',
    fold_toggle_all = '<S-tab>',
    unfold = 'l',
    fold_all = 'W',
    unfold_all = 'E',
    fold_reset = 'R',
    down_and_jump = '<C-j>',
    up_and_jump = '<C-k>',
  },
  providers = {
    priority = { 'lsp', 'coc', 'markdown', 'norg' },
    lsp = {
      blacklist_clients = {},
    },
    markdown = {
      filetypes = { 'markdown' },
    },
  },
  symbols = {
    ---@type outline.FilterConfig?
    filter = nil,
    icon_source = nil,
    icon_fetcher = nil,
    icons = {
      File = { icon = '', hl = 'Identifier' },
      Module = { icon = '', hl = 'Include' },
      Namespace = { icon = '{}', hl = 'Include' },
      Package = { icon = '', hl = 'Include' },
      Class = { icon = '𝓒', hl = 'Type' },
      Method = { icon = '.ƒ', hl = 'Function' },
      Property = { icon = '', hl = 'Identifier' },
      Field = { icon = '-', hl = 'Identifier' },
      Constructor = { icon = '()', hl = 'Special' },
      Enum = { icon = 'ℰ', hl = 'Type' },
      Interface = { icon = 'i', hl = 'Type' },
      Function = { icon = 'ƒ', hl = 'Function' },
      Variable = { icon = '(x)', hl = 'Constant' },
      Constant = { icon = 'c', hl = 'Constant' },
      String = { icon = '𝓐', hl = 'String' },
      Number = { icon = '#', hl = 'Number' },
      Boolean = { icon = '⊨', hl = 'Boolean' },
      Array = { icon = '[]', hl = 'Constant' },
      Object = { icon = '⦿', hl = 'Type' },
      Key = { icon = '🔐', hl = 'Type' },
      Null = { icon = 'NULL', hl = 'Type' },
      EnumMember = { icon = '', hl = 'Identifier' },
      Struct = { icon = '𝓢', hl = 'Structure' },
      Event = { icon = '🗲', hl = 'Type' },
      Operator = { icon = '+', hl = 'Identifier' },
      TypeParameter = { icon = '𝙏', hl = 'Identifier' },
      Component = { icon = '', hl = 'Function' },
      Fragment = { icon = '-', hl = 'Constant' },
      -- ccls
      TypeAlias = { icon = 't ', hl = 'Type' },
      Parameter = { icon = 'p ', hl = 'Identifier' },
      StaticMethod = { icon = '. ', hl = 'Function' },
      Macro = { icon = ' ', hl = 'Function' },
    },
  },
})