public java.util.List<String> getDirectoryIds() {
        if (directoryIds == null) {
            directoryIds = new com.amazonaws.internal.SdkInternalList<String>();
        }
        return directoryIds;
    }
public java . util . List < String > getDirectoryIds ( ) { if ( directoryIds == null ) { directoryIds = new com . amazonaws . internal . SdkInternalList < String > ( ) ; } return directoryIds ; }
<p>
A list of identifiers of the directories for which to obtain the information. If this member is null, all
directories that belong to the current account are returned.
</p>
<p>
An empty list results in an <code>InvalidParameterException</code> being thrown.
</p>

@return A list of identifiers of the directories for which to obtain the information. If this member is null, all
directories that belong to the current account are returned.</p>
<p>
An empty list results in an <code>InvalidParameterException</code> being thrown.