SeqOptional DEFINITIONS IMPLICIT TAGS ::= 

BEGIN


SeqOpt1 ::= SEQUENCE 
{
  bool1  BOOLEAN OPTIONAL,
  int1  INTEGER,
  seq1  SeqIn OPTIONAL
}

SeqOpt1Imp ::= SEQUENCE 
{
  bool1 [1] BOOLEAN OPTIONAL,
  int1  INTEGER,
  seq1  [2] SeqIn OPTIONAL
}

SeqOpt1Exp ::= SEQUENCE 
{
  bool1 [1] EXPLICIT BOOLEAN OPTIONAL,
  int1  INTEGER,
  seq1  [2] EXPLICIT SeqIn OPTIONAL
}

SeqOpt2 ::= SEQUENCE 
{
  seq2  SeqIn OPTIONAL,
  bool2  BOOLEAN,
  int2  INTEGER
}

SeqOpt2Imp ::= SEQUENCE 
{
  seq2  [1] SeqIn OPTIONAL,
  bool2 [2] BOOLEAN,
  int2  INTEGER
}

SeqOpt2Exp ::= SEQUENCE 
{
  seq2  [1] EXPLICIT SeqIn OPTIONAL,
  bool2 [2] EXPLICIT BOOLEAN,
  int2  INTEGER
}

SeqOpt3 ::= SEQUENCE 
{
  bool3  BOOLEAN OPTIONAL,
  seq3  SeqIn OPTIONAL,
  int3  INTEGER OPTIONAL
}

SeqOpt3Imp ::= SEQUENCE 
{
  bool3 [1] BOOLEAN OPTIONAL,
  seq3  [2] SeqIn OPTIONAL,
  int3  INTEGER OPTIONAL
}

SeqOpt3Exp ::= SEQUENCE 
{
  bool3 [1] EXPLICIT BOOLEAN OPTIONAL,
  seq3  [2] EXPLICIT SeqIn OPTIONAL,
  int3  INTEGER OPTIONAL
}


SeqChoOpt ::= SEQUENCE
{
   int INTEGER,
   cho CHOICE {
                boolC BOOLEAN,
                intC  INTEGER
              } OPTIONAL
}


SeqIn ::= SEQUENCE 
{
  boolIn  BOOLEAN,
  intIn  INTEGER
}

END