Define API as public on Julia >= 1.11

Author: devmotion

src/LogDensityProblems.jl

@@ -16,6 +16,21 @@ using ArgCheck: @argcheck
 using DocStringExtensions: SIGNATURES, TYPEDEF
 using Random: AbstractRNG, default_rng
 
+# https://github.com/JuliaLang/julia/pull/50105
+@static if VERSION >= v"1.11.0-DEV.469"
+    eval(
+        Expr(
+            :public,
+            :capabilities,
+            :LogDensityOrder,
+            :dimension,
+            :logdensity,
+            :logdensity_and_gradient,
+            :logdensity_gradient_and_hessian,
+        )
+    )
+end
+
 ####
 #### interface for problems
 ####

test/runtests.jl

@@ -90,3 +90,18 @@ end
     @test 50 ≤ length(failures) ≤ 100
     @test all(x -> all(x .< 0), failures)
 end
+
+####
+#### public API
+####
+
+@testset "public API" begin
+    if isdefined(Base, :ispublic)
+        @test Base.ispublic(LogDensityProblems, :capabilities)
+        @test Base.ispublic(LogDensityProblems, :LogDensityOrder)
+        @test Base.ispublic(LogDensityProblems, :dimension)
+        @test Base.ispublic(LogDensityProblems, :logdensity)
+        @test Base.ispublic(LogDensityProblems, :logdensity_and_gradient)
+        @test Base.ispublic(LogDensityProblems, :logdensity_gradient_and_hessian)
+    end
+end