document() :: %{id: document_ref(), content: binary()}

document_ref() :: atom() | binary()

flnorm() :: integer() | float()

t() :: %Elasticlunr.Field{
  documents: map(),
  flnorm: flnorm(),
  idf: map(),
  ids: map(),
  pipeline: Elasticlunr.Pipeline.t() | nil,
  query_pipeline: Elasticlunr.Pipeline.t() | nil,
  store: boolean(),
  store_positions: boolean(),
  terms: map(),
  tf: map()
}

token_info() :: %{
  term: term(),
  tf: map(),
  idf: map(),
  flnorm: flnorm(),
  documents: map()
}