writer.addUserMetadata("bounds", ByteBuffer.wrap((bounds.getLeft() + ", " + bounds.getBottom() + ", " + bounds.getRight() + ", " + bounds.getTop()).getBytes()));
writer.addUserMetadata("bounds", ByteBuffer.wrap((bounds.getLeft() + ", " + bounds.getBottom() + ", " + bounds.getRight() + ", " + bounds.getTop()).getBytes()));