{...}: {
  programs.nixvim = {
    plugins = {
      trouble = {
        enable = true;

        settings = {
          modes = {
            preview_split = {
              mode = "diagnostics";
              preview = {
                type = "split";
                relative = "win";
                position = "right";
                size = 0.5;
              };
            };

            preview_float = {
              mode = "diagnostics";
              preview = {
                type = "float";
                relative = "editor";
                border = "rounded";
                title = "Preview";
                title_pos = "center";
                position = [
                  0
                  (-2)
                ];
                size = {
                  width = 0.3;
                  height = 0.3;
                };
                zindex = 200;
              };
            };
          };
        };
      };

      which-key.settings.spec = [
        {
          __unkeyed = "<leader>x";
          mode = "n";
          group = " Trouble";
        }
      ];
    };

    keymaps = [
      {
        mode = "n";
        key = "<leader>xx";
        action = "<cmd>Trouble preview_split toggle<cr>";
        options = {
          desc = "Diagnostics toggle";
          silent = true;
        };
      }
      {
        mode = "n";
        key = "<leader>xX";
        action = "<cmd>Trouble preview_split toggle filter.buf=0<cr>";
        options = {
          desc = "Buffer Diagnostics toggle";
          silent = true;
        };
      }
      {
        mode = "n";
        key = "<leader>us";
        action = "<cmd>Trouble symbols toggle focus=false<cr>";
        options = {
          desc = "Symbols toggle";
          silent = true;
        };
      }
      {
        mode = "n";
        key = "<leader>xl";
        action = "<cmd>Trouble lsp toggle focus=false win.position=right<cr>";
        options = {
          desc = "LSP Definitions / references / ... toggle";
          silent = true;
        };
      }
      {
        mode = "n";
        key = "<leader>xL";
        action = "<cmd>Trouble loclist toggle<cr>";
        options = {
          desc = "Location List toggle";
          silent = true;
        };
      }
      {
        mode = "n";
        key = "<leader>xQ";
        action = "<cmd>Trouble qflist toggle<cr>";
        options = {
          desc = "Quickfix List toggle";
          silent = true;
        };
      }
    ];
  };
}