public void setMetadata(DocumentMetadataResponseInfo metadata) {
        this.metadata = metadata;
    }
<p>
Information about the response to the change template approval request.
</p>

@param metadata
       Information about the response to the change template approval request.
aws-java-sdk-ssm/src/main/java/com/amazonaws/services/simplesystemsmanagement/model/ListDocumentMetadataHistoryResult.java