src/main/java/org/apache/commons/io/input/ProxyInputStream.java [151:164]:
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    @Override
    public boolean markSupported() {
        return in.markSupported();
    }

    /**
     * Invokes the delegate's {@code read()} method.
     * @return the byte read or -1 if the end of stream
     * @throws IOException if an I/O error occurs.
     */
    @Override
    public int read() throws IOException {
        try {
            beforeRead(1);
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src/main/java/org/apache/commons/io/input/ProxyReader.java [139:152]:
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    @Override
    public boolean markSupported() {
        return in.markSupported();
    }

    /**
     * Invokes the delegate's {@code read()} method.
     * @return the character read or -1 if the end of stream
     * @throws IOException if an I/O error occurs.
     */
    @Override
    public int read() throws IOException {
        try {
            beforeRead(1);
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