try (EvaluationContext.ScopeContext context = openScope()) {
            ExecutionTimeValue<? extends IN> value = provider.calculateExecutionTimeValue();
            if (value.hasChangingContent()) {
                // Need the value contents in order to transform it to produce the value of this provider,

            ExecutionTimeValue<? extends T> value = provider.calculateExecutionTimeValue();
            if (value.isMissing()) {
                return value;
            }
            if (value.hasChangingContent()) {
                // Need the value contents in order to transform it to produce the value of this provider,