function filterExpectationsByRange(irs,opt_range){const filteredExpectations=[];irs.forEach(function(ir){if(!(ir instanceof tr.model.um.UserExpectation))return;if(!opt_range||opt_range.intersectsExplicitRangeInclusive(ir.start,ir.end)){filteredExpectations.push(ir);}});return filteredExpectations;}