API Reference | fast-check | Property based testing framework
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    Variable asyncToStringMethodConst

    asyncToStringMethod: unique symbol = ...

    Use this symbol to define a custom serializer for your instances. Serializer must be a function returning a promise of string (see WithAsyncToStringMethod).

    Please note that:

    1. It will only be useful for asynchronous properties.
    2. It has to return barely instantly.

    Since 2.17.0