* In `encoders.jsonable_encoder`:
        * Remove deprecated `skip_defaults`, use instead `exclude_unset`.
        * Set default of `exclude` from `set()` to `None` (as is in Pydantic).
    * PR [#1862](https://github.com/tiangolo/fastapi/pull/1862).
* In `encoders.jsonable_encoder` remove parameter `sqlalchemy_safe`.

    String QUERY_HIGHLIGHT_BOUNDARY_SCANNER = "query.highlight.boundary.scanner";

    /** The key of the configuration. e.g. default */
    String QUERY_HIGHLIGHT_ENCODER = "query.highlight.encoder";

    /** The key of the configuration. e.g. false */
    String QUERY_HIGHLIGHT_FORCE_SOURCE = "query.highlight.force.source";

    /** The key of the configuration. e.g. span */