https://projects.eclipse.org/projects/ee4j.jersey/jersey-server: Jersey core server implementation (Eclipse Foundation) 
public interface org.glassfish.jersey.server.model.Suspendable
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: org.glassfish.jersey.server.model.Suspendable
  super_class: java.lang.Object
{
  public abstract boolean isSuspendDeclared();
    descriptor: ()Z
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT

  public abstract boolean isManagedAsyncDeclared();
    descriptor: ()Z
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT

  public abstract long getSuspendTimeout();
    descriptor: ()J
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT

  public abstract java.util.concurrent.TimeUnit getSuspendTimeoutUnit();
    descriptor: ()Ljava/util/concurrent/TimeUnit;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
}
SourceFile: "Suspendable.java"