basex-lsp/test/sample.msg/didChange/client.json

{
    "jsonrpc": "2.0",
    "method": "textDocument/didChange",
    "params": {
        "textDocument": {
            "uri": "file:///some/file.xml",
            "version": 1
        },
        "contentChanges": [
            {
                "text": "3+1f"
            }
        ]
    }
}