public DescribeDirectoryConfigsRequest withDirectoryNames(String... directoryNames) {
        if (this.directoryNames == null) {
            setDirectoryNames(new java.util.ArrayList<String>(directoryNames.length));
        }
        for (String ele : directoryNames) {
            this.directoryNames.add(ele);
        }
        return this;
    }
public DescribeDirectoryConfigsRequest withDirectoryNames ( String ... directoryNames ) { if ( this . directoryNames == null ) { setDirectoryNames ( new java . util . ArrayList < String > ( directoryNames . length ) ) ; } for ( String ele : directoryNames ) { this . directoryNames . add ( ele ) ; } return this ; }
<p>
The directory names.
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setDirectoryNames(java.util.Collection)} or {@link #withDirectoryNames(java.util.Collection)} if you want
to override the existing values.
</p>

@param directoryNames
The directory names.
@return Returns a reference to this object so that method calls can be chained together.