https://openjdk.java.net/ 
public interface sun.management.snmp.jvmmib.JvmMemGCEntryMBean
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: sun.management.snmp.jvmmib.JvmMemGCEntryMBean
  super_class: java.lang.Object
{
  public abstract java.lang.Long getJvmMemGCTimeMs();
    descriptor: ()Ljava/lang/Long;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws com.sun.jmx.snmp.SnmpStatusException

  public abstract java.lang.Long getJvmMemGCCount();
    descriptor: ()Ljava/lang/Long;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws com.sun.jmx.snmp.SnmpStatusException

  public abstract java.lang.Integer getJvmMemManagerIndex();
    descriptor: ()Ljava/lang/Integer;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws com.sun.jmx.snmp.SnmpStatusException
}
SourceFile: "JvmMemGCEntryMBean.java"