1sink: "{ S[] -> a[] }" 2may_source: "{ T[i] -> a[] : 0 <= i <= 9 }" 3schedule: 4 domain: "{ T[i]; S[] }" 5 child: 6 sequence: 7 - filter: "{ T[i] }" 8 child: 9 schedule: "[{ T[i] -> [(i)] }]" 10 - filter: "{ S[] }" 11