net/src/main/java/com/stanfy/enroscar/net/cache/CacheEntry.java
protected static void writeLong(final Writer writer, final long value) throws IOException {
    writer.write(new StringBuilder().append(value).append('\n').toString());
  }
protected static void writeLong(final Writer writer, final long value) throws IOException {
    writer.write(new StringBuilder().append(value).append('\n').toString());
  }
Write next line as a long.
@param writer output writer
@param value integer value
@throws IOException if error happens