https://registry.npmjs.org/safe-array-concat/-/safe-array-concat-1.1.2.tgz;downloadfilename=npm2/safe-array-concat-1.1.2.tgz;sha512sum=be3e91b02b160427f5f6321e1c47e444cc3c0cf8816fe0cc5e4950ff54860c738c94774f524657150d98769952db7cc44938a301cbab6f569280903702032ed5