public static <T> List<T> toList(Iterable<T> iterable) {
        return toList(iterable.iterator());
    }
Write the contents of a buffer to an output stream. The bytes are copied from the current position
in the buffer.
@param out The output to write to
@param buffer The buffer to write from
@param length The number of bytes to write
@throws IOException For any errors writing to the output
clients/src/main/java/org/apache/kafka/common/utils/Utils.java