public void setVersions(java.util.Collection<VersionInformation> versions) {
        if (versions == null) {
            this.versions = null;
            return;
        }

        this.versions = new java.util.ArrayList<VersionInformation>(versions);
    }
Information about a version.

@param versions
       Information about a version.
aws-java-sdk-greengrass/src/main/java/com/amazonaws/services/greengrass/model/ListDeviceDefinitionVersionsResult.java