src/main/java/org/apache/commons/compress/archivers/sevenz/SevenZFile.java [755:778]:
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            @Override
            public int read() throws IOException {
                final int r = in.read();
                if (r >= 0) {
                    count(1);
                }
                return r;
            }

            @Override
            public int read(final byte[] b) throws IOException {
                return read(b, 0, b.length);
            }

            @Override
            public int read(final byte[] b, final int off, final int len) throws IOException {
                if (len == 0) {
                    return 0;
                }
                final int r = in.read(b, off, len);
                if (r >= 0) {
                    count(r);
                }
                return r;
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src/main/java/org/apache/commons/compress/utils/CountingInputStream.java [65:88]:
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    @Override
    public int read() throws IOException {
        final int r = in.read();
        if (r >= 0) {
            count(1);
        }
        return r;
    }

    @Override
    public int read(final byte[] b) throws IOException {
        return read(b, 0, b.length);
    }

    @Override
    public int read(final byte[] b, final int off, final int len) throws IOException {
        if (len == 0) {
            return 0;
        }
        final int r = in.read(b, off, len);
        if (r >= 0) {
            count(r);
        }
        return r;
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