@type t() :: %Incant.Query{
  columns: [atom()],
  context: term(),
  dataset: struct() | nil,
  dimensions: [atom()],
  drilldown: atom() | nil,
  filters: map(),
  from: term(),
  group_by: [atom()],
  metrics: [atom()],
  page: pos_integer() | nil,
  page_size: pos_integer() | nil,
  sort: keyword(),
  source: atom() | module() | nil,
  variables: map()
}