public String getPrefix() {
        return this.prefix;
    }
<p>
A prefix for which to search package groups. When included, <code>ListPackageGroups</code> will return only
package groups with patterns that match the prefix.
</p>

@return A prefix for which to search package groups. When included, <code>ListPackageGroups</code> will return
        only package groups with patterns that match the prefix.
aws-java-sdk-codeartifact/src/main/java/com/amazonaws/services/codeartifact/model/ListPackageGroupsRequest.java