declare Holder
  str : String
end

declare Bean
  val : String
end

declare Mock end

rule "Init"
when
then
  insert( new Bean( "xyz" ) );
  insert( new Holder( "xyz" ) );
  insert( new Mock() );
end

query mock( Mock $m ) $m := Mock() end

rule "Check"
when
 $b : Bean( $t : val )
  ( Holder( $t ; ) or eal( $t.startsWith( "abc" ) ) )
  mock( $m ; ) 
then
  System.out.println( $m );
end