public RecoveryPointSelection withVaultNames(String... vaultNames) {
        if (this.vaultNames == null) {
            setVaultNames(new java.util.ArrayList<String>(vaultNames.length));
        }
        for (String ele : vaultNames) {
            this.vaultNames.add(ele);
        }
        return this;
    }
<p>
These are the names of the vaults in which the selected recovery points are contained.
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setVaultNames(java.util.Collection)} or {@link #withVaultNames(java.util.Collection)} if you want to
override the existing values.
</p>

@param vaultNames
       These are the names of the vaults in which the selected recovery points are contained.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-backup/src/main/java/com/amazonaws/services/backup/model/RecoveryPointSelection.java