The operator to check
// returns true
JMap.Layer.DynamicFilter.isMultipleValuesOperator("EQUALS")
// returns true
JMap.Layer.DynamicFilter.isMultipleValuesOperator("NOT_EQUALS")
// returns false
JMap.Layer.DynamicFilter.isMultipleValuesOperator("CONTAINS")
// returns false
JMap.Layer.DynamicFilter.isMultipleValuesOperator("IS_IN_RANGE")
JMap.Layer.DynamicFilter.isMultipleValuesOperator
Returns true if the operator requires a value that is an array.
This function is safe, it throws nothing.