chore: mark apply_to_variables as public

AayushSabharwal · AayushSabharwal · commit ee8a461a0aab · 2025-05-26T23:09:47.000+05:30
diff --git a/src/ModelingToolkit.jl b/src/ModelingToolkit.jl
@@ -99,6 +99,7 @@ const DQ = DynamicQuantities
 
 import DifferentiationInterface as DI
 using ADTypes: AutoForwardDiff
+import SciMLPublic: @public
 
 export @derivatives
 
@@ -358,4 +359,6 @@ export AbstractDynamicOptProblem, JuMPDynamicOptProblem, InfiniteOptDynamicOptPr
        CasADiDynamicOptProblem
 export DynamicOptSolution
 
+@public apply_to_variables
+
 end # module
