extend type RootMutation {
  """
  **BETA** Deletes a `GuidelinePageHeading` by the given id. Requires `basic:write` scope to be accessible and `Project` permission level `EDIT`.
  """
  deleteGuidelinePageHeading(
    """**BETA** `DeleteGuidelinePageHeading` input argument."""
    input: DeleteGuidelinePageHeadingInput!
  ): DeleteGuidelinePageHeading
}