public void setFormat(String format) {
        this.format = format;
    }
<p>
A query parameter to specify the input format to imported API keys. Currently, only the <code>csv</code> format
is supported.
</p>

@param format
       A query parameter to specify the input format to imported API keys. Currently, only the <code>csv</code>
       format is supported.
@see ApiKeysFormat
aws-java-sdk-api-gateway/src/main/java/com/amazonaws/services/apigateway/model/ImportApiKeysRequest.java