These only matter to our documentation, which includes the source of
these examples inline in the docs. For brevity, the examples don't
need to show all the imports that are otherwise necessary for the
source file. You can ignore them like the compiler does as comments if
you are using the example
Hello,
I am trying to guess what such comments needed for and cannot google it on
Internet, maybe some documentation tool? Both, Java and Scala, have this in
import statements and in a code: “$example on” and “$example off"
package org.apache.spark.examples.sql
// $example
