https://openjdk.java.net/ 
module
  minor version: 0
  major version: 59
  flags: flags: (0x8000) ACC_MANDATED, ACC_MODULE
  this_class: module-info
{
  requires ; // flags: (0x8000) ACC_MANDATED
  exports jdk.jfr; // flags: (0x0000) 
  exports jdk.jfr.consumer; // flags: (0x0000) 
  exports jdk.jfr.internal.management to jdk.management.jfr; // flags: (0x0000) 
}
SourceFile: "module-info.java"
Module:
  Name: jdk.jfr
  flags: (0x0000)