modules/spring-mock-mvc/src/main/java/io/restassured/module/mockmvc/config/RestAssuredMockMvcConfig.java
public RestAssuredMockMvcConfig jsonConfig(JsonConfig jsonConfig) {
        notNull(jsonConfig, "JsonConfig");
        return new RestAssuredMockMvcConfig(logConfig, encoderConfig, decoderConfig, sessionConfig,
                objectMapperConfig, jsonConfig, xmlConfig, headerConfig, asyncConfig, multiPartConfig, mockMvcConfig, paramConfig, matcherConfig);
    }
public RestAssuredMockMvcConfig jsonConfig(JsonConfig jsonConfig) {
        notNull(jsonConfig, "JsonConfig");
        return new RestAssuredMockMvcConfig(logConfig, encoderConfig, decoderConfig, sessionConfig,
                objectMapperConfig, jsonConfig, xmlConfig, headerConfig, asyncConfig, multiPartConfig, mockMvcConfig, paramConfig, matcherConfig);
    }
Set the Json config.

@param jsonConfig The {@link JsonConfig} to set
@return An updated RestAssuredMockMvcConfig