public ListPhoneNumbersResult withPhoneNumbers(PhoneNumber... phoneNumbers) {
        if (this.phoneNumbers == null) {
            setPhoneNumbers(new java.util.ArrayList<PhoneNumber>(phoneNumbers.length));
        }
        for (PhoneNumber ele : phoneNumbers) {
            this.phoneNumbers.add(ele);
        }
        return this;
    }
public ListPhoneNumbersResult withPhoneNumbers ( PhoneNumber ... phoneNumbers ) { if ( this . phoneNumbers == null ) { setPhoneNumbers ( new java . util . ArrayList < PhoneNumber > ( phoneNumbers . length ) ) ; } for ( PhoneNumber ele : phoneNumbers ) { this . phoneNumbers . add ( ele ) ; } return this ; }
<p>
The phone number details.
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setPhoneNumbers(java.util.Collection)} or {@link #withPhoneNumbers(java.util.Collection)} if you want to
override the existing values.
</p>

@param phoneNumbers
The phone number details.
@return Returns a reference to this object so that method calls can be chained together.