{ // Create a new instance of GridCircuit with 'moments' and an array of symbols. const circuit = new GridCircuit(moments, [ symbols[0], symbols[1], symbols[5], ]); // Get the children (GridQubit objects) from the circuit. const qubits = circuit.children; // Expect the length of qubits array to be 3. expect(qubits.length).to.equal(3); }); "/> { // Create a new instance of GridCircuit with 'moments' and an array of symbols. const circuit = new GridCircuit(moments, [ symbols[0], symbols[1], symbols[5], ]); // Get the children (GridQubit objects) from the circuit. const qubits = circuit.children; // Expect the length of qubits array to be 3. expect(qubits.length).to.equal(3); }); " />