/guava/android/guava/src/com/google/common/net/MediaType.java
checkState( matcher.matches( c) ) ;checkState( previewChar( ) == c) ;
checkState ( previewChar ( ) == c ) ;
position++; return c; } @CanIgnoreReturnValue char consumeCharacter(char c) { checkState(hasMore()); <extra_id_0> position++; return c; } char previewChar() { checkState(hasMore()); return input.charAt(position);