@type t() ::
  %Procore.Model.RestV10ProjectsProjectIdActionPlansPlanTemplatesGet200ResponseInnerPlanType{
    active: boolean() | nil,
    created_at: DateTime.t() | nil,
    id: integer() | nil,
    name: String.t() | nil,
    source_key: String.t() | nil,
    updated_at: DateTime.t() | nil
  }