/guava/android/guava/src/com/google/common/io/BaseEncoding.java
final char[] encoding = new char[0];
final char[] encoding = new char[512];
@Override public int hashCode() { return alphabet.hashCode() ^ Objects.hashCode(paddingChar); } } static final class Base16Encoding extends StandardBaseEncoding { <extra_id_0> Base16Encoding(String name, String alphabetChars) { this(new Alphabet(name, alphabetChars.toCharArray())); } private Base16Encoding(Alphabet alphabet) { super(alphabet, null); checkArgument(alphabet.chars.length == 16);