https://source.android.com/ 
public interface android.provider.SyncConstValue
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: android.provider.SyncConstValue
  super_class: java.lang.Object
{
  public static final java.lang.String _SYNC_ACCOUNT;
    descriptor: Ljava/lang/String;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: "_sync_account"

  public static final java.lang.String _SYNC_ACCOUNT_TYPE;
    descriptor: Ljava/lang/String;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: "_sync_account_type"

  public static final java.lang.String _SYNC_ID;
    descriptor: Ljava/lang/String;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: "_sync_id"

  public static final java.lang.String _SYNC_TIME;
    descriptor: Ljava/lang/String;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: "_sync_time"

  public static final java.lang.String _SYNC_VERSION;
    descriptor: Ljava/lang/String;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: "_sync_version"

  public static final java.lang.String _SYNC_LOCAL_ID;
    descriptor: Ljava/lang/String;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: "_sync_local_id"

  public static final java.lang.String _SYNC_MARK;
    descriptor: Ljava/lang/String;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: "_sync_mark"

  public static final java.lang.String _SYNC_DIRTY;
    descriptor: Ljava/lang/String;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: "_sync_dirty"

  public static final java.lang.String NON_SYNCABLE_ACCOUNT;
    descriptor: Ljava/lang/String;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: "non_syncable"

  public static final java.lang.String NON_SYNCABLE_ACCOUNT_TYPE;
    descriptor: Ljava/lang/String;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: "android.local"
}
SourceFile: "SyncConstValue.java"
    RuntimeVisibleAnnotations: 
      java.lang.Deprecated()