public String getSpecification() {
        return this.specification;
    }
<p>
The version of the API specification to use. OAS30, for OpenAPI 3.0, is the only supported value.
</p>

@return The version of the API specification to use. OAS30, for OpenAPI 3.0, is the only supported value.
aws-java-sdk-apigatewayv2/src/main/java/com/amazonaws/services/apigatewayv2/model/ExportApiRequest.java