{
  id: '',
  name: '',
  props: {
    // ...
  },
  codeHighlighter: {
    base: 'rose-pine-dawn', // Theme id from Shiki or Highlight.js.
    overrides: {
      fg: '#111111',        // Default foreground color.
      bg: '#ffffff',        // Background color.
      colorReplacements: {  // A map of color names to new color values.
        '#286983': '#86b300', 
      },
    },
  },
}