Astarte.DataAccess.Mappings.fetch_interface_mappings_map

You're seeing just the function fetch_interface_mappings_map, go back to Astarte.DataAccess.Mappings module for more information.
Link to this function

fetch_interface_mappings_map(db_client, interface_id, opts \\ [])

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Specs

fetch_interface_mappings_map(:cqerl.client(), binary(), keyword()) ::
  {:ok, map()} | {:error, atom()}