Here is an example of how to use the NioPathDeserializer class in the com.fasterxml.jackson.databind package to deserialize a JSON string into a java.nio.file.Path object:

import com.fasterxml.jackson.databind.ObjectMapper;
import java.nio.file.Path;

public class Example {
    public static void main(String[] args) throws Exception {
        String json = "{\"path\":\"/tmp/example.txt\"}";

        ObjectMapper mapper = new ObjectMapper();
        PathWrapper wrapper = mapper.readValue(json, PathWrapper.class);
        Path path = wrapper.getPath();

        // Use the Path object as needed
        System.out.println(path);
    }
}

class PathWrapper {
    private Path path;

    public PathWrapper() {}

    public Path getPath() {
        return path;
    }

    public void setPath(Path path) {
        this.path = path;
    }
}

In this example, an instance of the ObjectMapper class is used to deserialize the JSON string into an instance of the PathWrapper class, which contains a Path field. The readValue() method is used to deserialize the JSON string into an instance of the PathWrapper class.

It's important to notice that this is a basic example, the NioPathDeserializer is not a class that you need to instantiate, it is used automatically when trying to deserialize a java.nio.file.Path object.

Also, you should be aware that the Path class is only available in Java 7 and later versions, so if you are using an older version of Java, you will need to use a different approach to work with file paths.