https://github.com/oracle/graal: GraalVM is an ecosystem for compiling and running applications written in multiple languages. GraalVM removes the isolation between programming languages and enables interoperability in a shared runtime. 
public interface org.graalvm.polyglot.io.ProcessHandler
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: org.graalvm.polyglot.io.ProcessHandler
  super_class: java.lang.Object
{
  public abstract java.lang.Process start(org.graalvm.polyglot.io.ProcessHandler$ProcessCommand);
    descriptor: (Lorg/graalvm/polyglot/io/ProcessHandler$ProcessCommand;)Ljava/lang/Process;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
         Name  Flags
      command  
}
SourceFile: "ProcessHandler.java"
NestMembers:
  org.graalvm.polyglot.io.ProcessHandler$ProcessCommand  org.graalvm.polyglot.io.ProcessHandler$Redirect  org.graalvm.polyglot.io.ProcessHandler$Redirect$Type
InnerClasses:
  public final ProcessCommand = org.graalvm.polyglot.io.ProcessHandler$ProcessCommand of org.graalvm.polyglot.io.ProcessHandler
  public final Redirect = org.graalvm.polyglot.io.ProcessHandler$Redirect of org.graalvm.polyglot.io.ProcessHandler