public ArgumentListBuilder addKeyValuePair(String prefix, String key, String value, boolean mask) {
        if(key==null) return this;
        add(((prefix==null)?"-D":prefix)+key+'='+value, mask);
        return this;
    }
public ArgumentListBuilder addKeyValuePair ( String prefix , String key , String value , boolean mask ) { if ( key == null ) return this ; add ( ( ( prefix == null ) ? "-D" : prefix ) + key + '=' + value , mask ) ; return this ; }
@since 1.378