@type column_name() :: atom()

@type columns_definition() :: %{
  geometry: column_name(),
  id: column_name(),
  tags: column_name()
}

@type t() :: %GeoSQL.PostGIS.VectorTiles.Layer{
  columns: columns_definition(),
  compose_query_fn: (Ecto.Query.t() -> Ecto.Query.t()),
  name: String.t(),
  prefix: String.t() | nil,
  source: String.t(),
  srid: integer()
}