module java.util.regex.Pattern;

import java.lang.all;
import java.util.regex.Matcher;

class Pattern {
    public static const int MULTILINE;
    public static const int CASE_INSENSITIVE ;
    public static const int UNICODE_CASE ;

    public String pattern(){
        implMissing( __FILE__, __LINE__ );
        return null;
    }
    public int flags(){
        implMissing( __FILE__, __LINE__ );
        return 0;
    }
    public static Pattern compile(String regex){
        implMissing( __FILE__, __LINE__ );
        return null;
    }
    public static Pattern compile(String regex, int flags){
        implMissing( __FILE__, __LINE__ );
        return null;
    }
    public Matcher matcher(CharSequence input){
        implMissing( __FILE__, __LINE__ );
        return null;
    }
    public Matcher matcher(String input){
        implMissing( __FILE__, __LINE__ );
        return null;
    }
}