{{ if ne .Params.showAppearanceSwitcher nil }}
  {{ warnf "[CONGO] Theme parameter `showAppearanceSwitcher` has been renamed to `footer.showAppearanceSwitcher`. Please update your site configuration." }}
{{ end }}
{{ if ne .Params.showScrollToTop nil }}
  {{ warnf "[CONGO] Theme parameter `showScrollToTop` has been renamed to `footer.showScrollToTop`. Please update your site configuration." }}
{{ end }}
{{ if ne .Params.logo nil }}
  {{ warnf "[CONGO] Theme parameter `logo` has been renamed to `header.logo`. Please update your site configuration." }}
{{ end }}
{{ if eq .Params.header.logo .Params.header.logo_dark }}
  {{-  warnf "[CONGO] Interactions with a single resource via multiple distinct resource handles can be problematic. It is recommended to only declare `header.logo_dark` when it is distinct from `header.logo`." }}
{{- end }}