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#Copyright(C) 2020 - present MongoDB, Inc.
#
#This program is free software : you can redistribute it and / or modify
#it under the terms of the Server Side Public License, version 1,
#as published by MongoDB, Inc.
#
#This program is distributed in the hope that it will be useful,
#but WITHOUT ANY WARRANTY; without even the implied warranty of
#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
#Server Side Public License for more details.
#
#You should have received a copy of the Server Side Public License
#along with this program.If not, see
# <http: //www.mongodb.com/licensing/server-side-public-license>.
#
#As a special exception, the copyright holders give permission to link the
#code of portions of this program with the OpenSSL library under certain
#conditions as described in each individual source file and distribute
#linked combinations including the program with the OpenSSL library.You
#must comply with the Server Side Public License in all respects for
#all of the code used other than as permitted herein.If you modify file(s)
#with this exception, you may extend this exception to your version of the
#file(s), but you are not obligated to do so.If you do not wish to do so,
#delete this exception statement from your version.If you delete this
#exception statement from all source files in the program, then also delete
#it in the license file.
#
global:
  cpp_namespace: "mongo"
  cpp_includes:
    - "mongo/db/feature_compatibility_version_parser.h"


imports:
  - "mongo/db/basic_types.idl"

structs:
  featureCompatibilityVersionDocument:
    description: "featureCompatibilityVersion on-disk document format"
    generate_comparison_operators: true
    fields:
      _id:
        type: string
        description: "Key of the featureCompatibilityVersion state singleton document"
        default: '"featureCompatibilityVersion"'
      version:
        description: "Effective featureCompatibilityVersion"
        type: fcv_string
      targetVersion:
        description: "Target featureCompatibilityVersion for upgrade/downgrade"
        type: fcv_string
        optional: true
      previousVersion:
        description: >-
          Previous featureCompatibilityVersion for downgrading states, will always be kLatest when
          present
        type: fcv_string
        optional: true
        validator:
          callback: "FeatureCompatibilityVersionParser::validatePreviousVersionField"
      changeTimestamp:
        description: "Timestamp used to identify the 2-phase setFCV request. Both phases (kStart and
                      kComplete) must have the same timestamp for the entire sequence, and every new
                      sequence started must strictly have incrementing timestamp."
        type: timestamp
        optional: true