.. _reference:

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Reference
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   :maxdepth: 2
   :caption: Contents:
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   differences
   specification_210
   specification_220
   specification_common

:ref:`Version 2.1.0 message specification <specification_210>`
   The specification for the JSON objects contained in version 2.1.0.

:ref:`Version 2.2.0 message specification <specification_220>`
   The specification for the JSON objects contained in version 2.2.0.

:ref:`Common message specification <specification_common>`
   The specification for the JSON objects in common between versions 2.1.0 and 2.2.0.