<p>
The group to modify for the snapshot.
</p>

@param groupNames
The group to modify for the snapshot.
1599
public void setGroupNames(java.util.Collection<String> groupNames) {
        if (groupNames == null) {
            this.groupNames = null;
            return;
        }

        this.groupNames = new com.amazonaws.internal.SdkInternalList<String>(groupNames);
    }
1117366
public void setFacetNames(java.util.Collection<String> facetNames) {
        if (facetNames == null) {
            this.facetNames = null;
            return;
        }

        this.facetNames = new java.util.ArrayList<String>(facetNames);
    }
759688
public List<String> groupNames() {
        if (groupNames == null) {
            groupNames = new ArrayList<String>(groupInfo.keySet());
        }
        return Collections.unmodifiableList(groupNames);
    }
888694
public void setGroupedResourceCounts(java.util.Collection<GroupedResourceCount> groupedResourceCounts) {
        if (groupedResourceCounts == null) {
            this.groupedResourceCounts = null;
            return;
        }

        this.groupedResourceCounts = new com.amazonaws.internal.SdkInternalList<GroupedResourceCount>(groupedResourceCounts);
    }
812333
public void setCaptionDescriptionNames(java.util.Collection<String> captionDescriptionNames) {
        if (captionDescriptionNames == null) {
            this.captionDescriptionNames = null;
            return;
        }

        this.captionDescriptionNames = new java.util.ArrayList<String>(captionDescriptionNames);
    }
1050316
public void setClusterSecurityGroups(java.util.Collection<ClusterSecurityGroup> clusterSecurityGroups) {
        if (clusterSecurityGroups == null) {
            this.clusterSecurityGroups = null;
            return;
        }

        this.clusterSecurityGroups = new com.amazonaws.internal.SdkInternalList<ClusterSecurityGroup>(clusterSecurityGroups);
    }
371548
public void setPropertyGroupDescriptions(java.util.Collection<PropertyGroup> propertyGroupDescriptions) {
        if (propertyGroupDescriptions == null) {
            this.propertyGroupDescriptions = null;
            return;
        }

        this.propertyGroupDescriptions = new java.util.ArrayList<PropertyGroup>(propertyGroupDescriptions);
    }
281852
public void setGroups(java.util.Collection<Group> groups) {
        if (groups == null) {
            this.groups = null;
            return;
        }

        this.groups = new java.util.ArrayList<Group>(groups);
    }
594677
public void setSecurityGroups(java.util.Collection<SecurityGroup> securityGroups) {
        if (securityGroups == null) {
            this.securityGroups = null;
            return;
        }

        this.securityGroups = new com.amazonaws.internal.SdkInternalList<SecurityGroup>(securityGroups);
    }
1307866
public void setGroups(java.util.Collection<GroupMetadata> groups) {
        if (groups == null) {
            this.groups = null;
            return;
        }

        this.groups = new java.util.ArrayList<GroupMetadata>(groups);
    }
783875
public void setSnapshotSummaries(java.util.Collection<SnapshotDetails> snapshotSummaries) {
        if (snapshotSummaries == null) {
            this.snapshotSummaries = null;
            return;
        }

        this.snapshotSummaries = new java.util.ArrayList<SnapshotDetails>(snapshotSummaries);
    }
1335861
public void setGroupId(java.util.Collection<String> groupId) {
        if (groupId == null) {
            this.groupId = null;
            return;
        }

        this.groupId = new com.amazonaws.internal.SdkInternalList<String>(groupId);
    }
1260718
public void setGroups(java.util.Collection<ReservationUtilizationGroup> groups) {
        if (groups == null) {
            this.groups = null;
            return;
        }

        this.groups = new java.util.ArrayList<ReservationUtilizationGroup>(groups);
    }
463243
public void setGroups(java.util.Collection<GroupIdentifier> groups) {
        if (groups == null) {
            this.groups = null;
            return;
        }

        this.groups = new com.amazonaws.internal.SdkInternalList<GroupIdentifier>(groups);
    }
804456
public void setLifecycleHookNames(java.util.Collection<String> lifecycleHookNames) {
        if (lifecycleHookNames == null) {
            this.lifecycleHookNames = null;
            return;
        }

        this.lifecycleHookNames = new com.amazonaws.internal.SdkInternalList<String>(lifecycleHookNames);
    }
893242
public void setParameterGroups(java.util.Collection<ClusterParameterGroup> parameterGroups) {
        if (parameterGroups == null) {
            this.parameterGroups = null;
            return;
        }

        this.parameterGroups = new com.amazonaws.internal.SdkInternalList<ClusterParameterGroup>(parameterGroups);
    }
164495
public void setDBParameterGroups(java.util.Collection<DBParameterGroupStatus> dBParameterGroups) {
        if (dBParameterGroups == null) {
            this.dBParameterGroups = null;
            return;
        }

        this.dBParameterGroups = new java.util.ArrayList<DBParameterGroupStatus>(dBParameterGroups);
    }