/guava/guava/src/com/google/common/io/BaseEncoding.java
checkArgument( alphabet.chars.length == 64) ; super( alphabet, paddingChar) ;
super ( alphabet, paddingChar ) ; checkArgument ( alphabet.chars.length == 64 ) ;
} static final class Base64Encoding extends StandardBaseEncoding { Base64Encoding(String name, String alphabetChars, @CheckForNull Character paddingChar) { this(new Alphabet(name, alphabetChars.toCharArray()), paddingChar); } private Base64Encoding(Alphabet alphabet, @CheckForNull Character paddingChar) { <extra_id_0> } @Override void encodeTo(Appendable target, byte[] bytes, int off, int len) throws IOException { checkNotNull(target); checkPositionIndexes(off, off + len, bytes.length); int i = off;