<image>As shown in the diagram, in $$\triangle ABC$$, $$∠B=90^{\circ}$$, $$AB=3$$, $$AC=5$$. If $$\triangle ABC$$ is folded so that point $$A$$ coincides with point $$C$$, with the fold line being $$DE$$, then the perimeter of $$\triangle ABE$$ is ________. 