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Used as references for various `Number` constants. */\nconst MAX_SAFE_INTEGER = 9007199254740991;\n\n/** `Object#toString` result references. */\nconst argsTag = '[object Arguments]';\nconst arrayTag = '[object Array]';\nconst boolTag = '[object Boolean]';\nconst dateTag = '[object Date]';\nconst errorTag = '[object Error]';\nconst funcTag = '[object Function]';\nconst mapTag = '[object Map]';\nconst numberTag = '[object Number]';\nconst objectTag = '[object Object]';\nconst regexpTag = '[object RegExp]';\nconst setTag = '[object Set]';\nconst stringTag = '[object String]';\nconst weakMapTag = '[object WeakMap]';\n\nconst arrayBufferTag = '[object ArrayBuffer]';\nconst dataViewTag = '[object DataView]';\nconst float32Tag = '[object Float32Array]';\nconst float64Tag = '[object Float64Array]';\nconst int8Tag = '[object Int8Array]';\nconst int16Tag = '[object Int16Array]';\nconst int32Tag = '[object Int32Array]';\nconst uint8Tag = '[object Uint8Array]';\nconst uint8ClampedTag = '[object Uint8ClampedArray]';\nconst uint16Tag = '[object Uint16Array]';\nconst uint32Tag = '[object Uint32Array]';\n\n/** Used to identify `toStringTag` values of typed arrays. */\nconst typedArrayTags: Record<string, boolean> = {};\ntypedArrayTags[float32Tag] = typedArrayTags[float64Tag] = typedArrayTags[\n int8Tag\n] = typedArrayTags[int16Tag] = typedArrayTags[int32Tag] = typedArrayTags[\n uint8Tag\n] = typedArrayTags[uint8ClampedTag] = typedArrayTags[\n uint16Tag\n] = typedArrayTags[uint32Tag] = true;\ntypedArrayTags[argsTag] = typedArrayTags[arrayTag] = typedArrayTags[\n arrayBufferTag\n] = typedArrayTags[boolTag] = typedArrayTags[dataViewTag] = typedArrayTags[\n dateTag\n] = typedArrayTags[errorTag] = typedArrayTags[funcTag] = typedArrayTags[\n mapTag\n] = typedArrayTags[numberTag] = typedArrayTags[objectTag] = typedArrayTags[\n regexpTag\n] = typedArrayTags[setTag] = typedArrayTags[stringTag] = typedArrayTags[\n weakMapTag\n] = false;\n\n/**\n * The base implementation of `_.unary` without support for storing metadata.\n *\n * @private\n * @param {Function} func The function to cap arguments for.\n * @returns {Function} Returns the new capped function.\n */\nfunction baseUnary(func: any) {\n return function(value: any) {\n return func(value);\n };\n}\n\n/** Used for built-in method references. */\nconst objectProto = Object.prototype;\n\n/**\n * Used to resolve the\n * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)\n * of values.\n */\nconst objectToString = objectProto.toString;\n\n/**\n * The base implementation of `_.isTypedArray` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n */\nfunction baseIsTypedArray(value: any) {\n return (\n isObjectLike(value) &&\n isLength(value.length) &&\n !!typedArrayTags[objectToString.call(value)]\n );\n}\n\nfunction isLength(value: any) {\n return (\n typeof 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