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} private Entry readRef(byte tag) throws IOException { Entry e = readRef(); assert(e != null); assert(e.tagMatches(tag)); return e; } private Entry readRefOrNull(byte tag) throws IOException { Entry e = readRef();
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return e; } private Entry readRefOrNull(byte tag) throws IOException { Entry e = readRef(); assert(e == null || e.tagMatches(tag)); return e; } private Utf8Entry readUtf8Ref() throws IOException { return (Utf8Entry) readRef(CONSTANT_Utf8);