∀ {𝕜 : Type u_1} [inst : NontriviallyNormedField 𝕜] {E : Type u_2} [inst_1 : NormedAddCommGroup E]
  [inst_2 : NormedSpace 𝕜 E] {H : Type u_3} [inst_3 : TopologicalSpace H] {I : ModelWithCorners 𝕜 E H} {n : WithTop ℕ∞}
  {M : Type u_4} [inst_4 : TopologicalSpace M] [inst_5 : ChartedSpace H M] {e e' : OpenPartialHomeomorph M H},
  e ∈ IsManifold.maximalAtlas I n M → e' ∈ IsManifold.maximalAtlas I n M → e.symm.trans e' ∈ contDiffGroupoid n I