var crypt=require("crypto");module.exports={getEngine:function(r,e){var t=require("./js.js");return"node"===e.environment&&"function"==typeof crypt.publicEncrypt&&"function"==typeof crypt.privateDecrypt&&(t="function"==typeof crypt.privateEncrypt&&"function"==typeof crypt.publicDecrypt?require("./io.js"):require("./node12.js")),t(r,e)}};