public PhoneNumber setExtension(String value) { if (value == null) { throw new NullPointerException(); } _hasExtension = true; extension_ = value; return(this); }
public PhoneNumber setExtension(String value) { if (value == null) { throw new NullPointerException(); } _hasExtension = true; extension_ = value; return this; }
public PhoneNumber clearExtension() { _hasExtension = false; extension_ = ""; return this; }
public PhoneNumber clearExtension() { _hasExtension = false; extension_ = ""; return(this); }