src/main/java/org/apache/commons/net/pop3/ExtendedPOP3Client.java [113:132]:
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            return false;
        }
    }

    /**
     * Converts the given byte array to a String containing the hexadecimal values of the bytes. For example, the byte 'A' will be converted to '41', because
     * this is the ASCII code (and the byte value) of the capital letter 'A'.
     *
     * @param a The byte array to convert.
     * @return The resulting String of hexadecimal codes.
     */
    private String convertToHexString(final byte[] a) {
        final StringBuilder result = new StringBuilder(a.length * 2);
        for (final byte element : a) {
            if ((element & 0x0FF) <= 15) {
                result.append("0");
            }
            result.append(Integer.toHexString(element & 0x0FF));
        }
        return result.toString();
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src/main/java/org/apache/commons/net/smtp/AuthenticatingSMTPClient.java [202:220]:
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        return false; // safety check
    }

    /**
     * Converts the given byte array to a String containing the hexadecimal values of the bytes. For example, the byte 'A' will be converted to '41', because
     * this is the ASCII code (and the byte value) of the capital letter 'A'.
     *
     * @param a The byte array to convert.
     * @return The resulting String of hexadecimal codes.
     */
    private String convertToHexString(final byte[] a) {
        final StringBuilder result = new StringBuilder(a.length * 2);
        for (final byte element : a) {
            if ((element & 0x0FF) <= 15) {
                result.append("0");
            }
            result.append(Integer.toHexString(element & 0x0FF));
        }
        return result.toString();
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