public OpenApiConverter config(OpenApiConfig config) {
        this.config = config;
        return this;
    }
Set the OpenAPI configuration settings.

<p>This also updates the configuration object of any previously set
{@link JsonSchemaConfig}.

@param config Config object to set.
@return Returns the converter.
smithy-openapi/src/main/java/software/amazon/smithy/openapi/fromsmithy/OpenApiConverter.java