yes there's a bit of java in my nvim config why do you ask?

lua/conf/plugins/headlines.lua

@@ -0,0 +1,28 @@
+return { 'lukas-reineke/headlines.nvim',
+  requires = 'nvim-treesitter/nvim-treesitter',
+  function()
+    require('headlines').setup {
+      norg = {
+        headline_highlights = {
+          "@neorg.headings.1.title",
+          "@neorg.headings.2.title",
+          "@neorg.headings.3.title",
+          "@neorg.headings.4.title",
+          "@neorg.headings.5.title",
+          "@neorg.headings.6.title"
+        },
+        bullets = { "", "", "", "" },
+      },
+      markdown = {
+        headline_highlights = {
+          "@neorg.headings.1.title",
+          "@neorg.headings.2.title",
+          "@neorg.headings.3.title",
+          "@neorg.headings.4.title",
+          "@neorg.headings.5.title",
+          "@neorg.headings.6.title"
+        }
+      }
+    }
+  end
+}