[
  "core/separator",
  "core/spacer",

  "core/gallery",
  "core/image",
  "core/media-text",
  "core/audio",
  "core/video",
  "core/embed",

  "core/footnotes",
  "core/heading",
  "core/list",
  "core/details",
  "core/list-item",
  "core/missing",
  "core/paragraph",
  "core/quote",
  "core/pullquote",
  "core/verse"
]