String[] () { return new String[] { """ package java.util.regex; public final class Pattern { public static Pattern compile(String regex) { return null; } public Matcher matcher(String s) { return null; } } """, """ package java.util.regex; public final class Matcher { public String replaceAll(String r) { return null; } public String replaceFirst(String r) { return null; } public Matcher appendReplacement(StringBuilder sb, String r) { return this; } public Matcher appendReplacement(StringBuffer sb, String r) { return this; } } """ }; }