question: for constructed field , return a parser for its content . concode_field_sep int length concode_elem_sep int tag concode_elem_sep int type concode_elem_sep byte[] value concode_field_sep byte[] getValue concode_elem_sep int getType concode_elem_sep int getLength concode_elem_sep BigInteger getInteger concode_elem_sep boolean isConstructed concode_elem_sep String getString
target: DerParser function ( ) { if ( ! isConstructed ( ) ) throw new IOException ( "srini_string" ) ; return new DerParser ( value ) ; }