ExOsrsApi.OsrsApi.get_multiple_all_highscores

You're seeing just the function get_multiple_all_highscores, go back to ExOsrsApi.OsrsApi module for more information.
Link to this function

get_multiple_all_highscores(usernames, ratelimit \\ %{__struct__: ExOsrsApi.Ratelimit, limit: 60, timeout: 60000})

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Specs

get_multiple_all_highscores([String.t()], ExOsrsApi.Ratelimit.t()) :: [
  ExOsrsApi.PlayerHighscores.t() | {:error, ExOsrsApi.Errors.Error.t()}
]