@type t() ::
  %Procore.Model.RestV10ProjectsProjectIdActionPlansPlansIdPatchRequestPlan{
    "custom_field_%{custom_field_definition_id}":
      Procore.Model.WorkOrderContractCustomFieldCustomFieldDefinitionId.t()
      | nil,
    description: String.t() | nil,
    location_id: integer() | nil,
    manager_id: integer() | nil,
    plan_approvers_attributes:
      [
        Procore.Model.RestV10ProjectsProjectIdActionPlansPlansIdPatchRequestPlanPlanApproversAttributesInner.t()
      ]
      | nil,
    plan_receivers_attributes:
      [
        Procore.Model.RestV10ProjectsProjectIdActionPlansPlansIdPatchRequestPlanPlanReceiversAttributesInner.t()
      ]
      | nil,
    plan_type_id: integer() | nil,
    private: boolean() | nil,
    status_id: integer() | nil,
    title: String.t() | nil
  }