"en instance" meaning in French

{
  "head_templates": [
    {
      "args": {
        "inv": "y"
      },
      "expansion": "en instance (invariable)",
      "name": "fr-adj"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "fr",
          "name": "Law",
          "orig": "fr:Law",
          "parents": [
            "Justice",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "She's filing for divorce.",
          "text": "Elle est en instance de divorce.",
          "type": "example"
        },
        {
          "english": "A similar request was already pending before a mediator.",
          "text": "Une demande semblable était déjà en instance devant un arbitre.",
          "type": "example"
        }
      ],
      "glosses": [
        "pending, in the process"
      ],
      "id": "en-en_instance-fr-adj-f1Rt8okk",
      "links": [
        [
          "law",
          "law#English"
        ],
        [
          "pending",
          "pending"
        ],
        [
          "process",
          "process"
        ]
      ],
      "raw_glosses": [
        "(law) pending, in the process"
      ],
      "tags": [
        "invariable"
      ],
      "topics": [
        "law"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ɑ̃.n‿ɛ̃s.tɑ̃s/"
    }
  ],
  "word": "en instance"
}

{
  "head_templates": [
    {
      "args": {
        "inv": "y"
      },
      "expansion": "en instance (invariable)",
      "name": "fr-adj"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "French adjectives",
        "French entries with incorrect language header",
        "French lemmas",
        "French multiword terms",
        "French terms with IPA pronunciation",
        "French terms with usage examples",
        "fr:Law"
      ],
      "examples": [
        {
          "english": "She's filing for divorce.",
          "text": "Elle est en instance de divorce.",
          "type": "example"
        },
        {
          "english": "A similar request was already pending before a mediator.",
          "text": "Une demande semblable était déjà en instance devant un arbitre.",
          "type": "example"
        }
      ],
      "glosses": [
        "pending, in the process"
      ],
      "links": [
        [
          "law",
          "law#English"
        ],
        [
          "pending",
          "pending"
        ],
        [
          "process",
          "process"
        ]
      ],
      "raw_glosses": [
        "(law) pending, in the process"
      ],
      "tags": [
        "invariable"
      ],
      "topics": [
        "law"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ɑ̃.n‿ɛ̃s.tɑ̃s/"
    }
  ],
  "word": "en instance"
}