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# <small>nlohmann::basic_json::</small>json_serializer
```cpp
template<typename T, typename SFINAE>
using json_serializer = JSONSerializer<T, SFINAE>;
```
## Template parameters
`T`
: type to convert; will be used in the `to_json`/`from_json` functions
`SFINAE`
: type to add compile type checks via SFINAE; usually `#!cpp void`
## Notes
#### Default type
The default values for `json_serializer` is [`adl_serializer`](../adl_serializer/index.md).
## Examples
??? example
The example below shows how a conversion of a non-default-constructible type is implemented via a specialization of
the `adl_serializer`.
```cpp
--8<-- "examples/from_json__non_default_constructible.cpp"
```
Output:
```json
--8<-- "examples/from_json__non_default_constructible.output"
```
## Version history
- Since version 2.0.0.