interface BigInt {

/**

* Returns a string representation of an object.

* @param radix Specifies a radix for converting numeric values to strings.

*/

toString(radix?: number): string;

/** Returns a string representation appropriate to the host environment's current locale. */

toLocaleString(): string;

/** Returns the primitive value of the specified object. */

valueOf(): bigint;

readonly [Symbol.toStringTag]: "BigInt";

}

interface BigIntConstructor {

(value?: any): bigint;

readonly prototype: BigInt;

/**

* Interprets the low bits of a BigInt as a 2's-complement signed integer.

* All higher bits are discarded.

* @param bits The number of low bits to use

* @param int The BigInt whose bits to extract

*/

asIntN(bits: number, int: bigint): bigint;

/**

* Interprets the low bits of a BigInt as an unsigned integer.

* All higher bits are discarded.

* @param bits The number of low bits to use

* @param int The BigInt whose bits to extract

*/

asUintN(bits: number, int: bigint): bigint;

}

declare var BigInt: BigIntConstructor;

/**

* A typed array of 64-bit signed integer values. The contents are initialized to 0. If the

* requested number of bytes could not be allocated, an exception is raised.

*/

interface BigInt64Array {

/** The size in bytes of each element in the array. */

readonly BYTES_PER_ELEMENT: number;

/** The ArrayBuffer instance referenced by the array. */

readonly buffer: ArrayBufferLike;

/** The length in bytes of the array. */

readonly byteLength: number;

/** The offset in bytes of the array. */

readonly byteOffset: number;

/**

* Returns the this object after copying a section of the array identified by start and end

* to the same array starting at position target

* @param target If target is negative, it is treated as length+target where length is the

* length of the array.

* @param start If start is negative, it is treated as length+start. If end is negative, it

* is treated as length+end.

* @param end If not specified, length of the this object is used as its default value.

*/

copyWithin(target: number, start: number, end?: number): this;

/** Yields index, value pairs for every entry in the array. */

entries(): IterableIterator<[number, bigint]>;

/**

* Determines whether all the members of an array satisfy the specified test.

* @param callbackfn A function that accepts up to three arguments. The every method calls

* the callbackfn function for each element in the array until the callbackfn returns false,

* or until the end of the array.

* @param thisArg An object to which the this keyword can refer in the callbackfn function.

* If thisArg is omitted, undefined is used as the this value.

*/

every(callbackfn: (value: bigint, index: number, array: BigInt64Array) => boolean, thisArg?: any): boolean;

/**

* Returns the this object after filling the section identified by start and end with value

* @param value value to fill array section with

* @param start index to start filling the array at. If start is negative, it is treated as

* length+start where length is the length of the array.

* @param end index to stop filling the array at. If end is negative, it is treated as

* length+end.

*/

fill(value: bigint, start?: number, end?: number): this;

/**

* Returns the elements of an array that meet the condition specified in a callback function.

* @param callbackfn A function that accepts up to three arguments. The filter method calls

* the callbackfn function one time for each element in the array.

* @param thisArg An object to which the this keyword can refer in the callbackfn function.

* If thisArg is omitted, undefined is used as the this value.

*/

filter(callbackfn: (value: bigint, index: number, array: BigInt64Array) => any, thisArg?: any): BigInt64Array;

/**

* Returns the value of the first element in the array where predicate is true, and undefined

* otherwise.

* @param predicate find calls predicate once for each element of the array, in ascending

* order, until it finds one where predicate returns true. If such an element is found, find

* immediately returns that element value. Otherwise, find returns undefined.

* @param thisArg If provided, it will be used as the this value for each invocation of

* predicate. If it is not provided, undefined is used instead.

*/

find(predicate: (value: bigint, index: number, array: BigInt64Array) => boolean, thisArg?: any): bigint | undefined;

/**

* Returns the index of the first element in the array where predicate is true, and -1

* otherwise.

* @param predicate find calls predicate once for each element of the array, in ascending

* order, until it finds one where predicate returns true. If such an element is found,

* findIndex immediately returns that element index. Otherwise, findIndex returns -1.

* @param thisArg If provided, it will be used as the this value for each invocation of

* predicate. If it is not provided, undefined is used instead.

*/

findIndex(predicate: (value: bigint, index: number, array: BigInt64Array) => boolean, thisArg?: any): number;

/**

* Performs the specified action for each element in an array.

* @param callbackfn A function that accepts up to three arguments. forEach calls the

* callbackfn function one time for each element in the array.

* @param thisArg An object to which the this keyword can refer in the callbackfn function.

* If thisArg is omitted, undefined is used as the this value.

*/

forEach(callbackfn: (value: bigint, index: number, array: BigInt64Array) => void, thisArg?: any): void;

/**

* Determines whether an array includes a certain element, returning true or false as appropriate.

* @param searchElement The element to search for.

* @param fromIndex The position in this array at which to begin searching for searchElement.

*/

includes(searchElement: bigint, fromIndex?: number): boolean;

/**

* Returns the index of the first occurrence of a value in an array.

* @param searchElement The value to locate in the array.

* @param fromIndex The array index at which to begin the search. If fromIndex is omitted, the

* search starts at index 0.

*/

indexOf(searchElement: bigint, fromIndex?: number): number;

/**

* Adds all the elements of an array separated by the specified separator string.

* @param separator A string used to separate one element of an array from the next in the

* resulting String. If omitted, the array elements are separated with a comma.

*/

join(separator?: string): string;

/** Yields each index in the array. */

keys(): IterableIterator<number>;

/**

* Returns the index of the last occurrence of a value in an array.

* @param searchElement The value to locate in the array.

* @param fromIndex The array index at which to begin the search. If fromIndex is omitted, the

* search starts at index 0.

*/

lastIndexOf(searchElement: bigint, fromIndex?: number): number;

/** The length of the array. */

readonly length: number;

/**

* Calls a defined callback function on each element of an array, and returns an array that

* contains the results.

* @param callbackfn A function that accepts up to three arguments. The map method calls the

* callbackfn function one time for each element in the array.

* @param thisArg An object to which the this keyword can refer in the callbackfn function.

* If thisArg is omitted, undefined is used as the this value.

*/

map(callbackfn: (value: bigint, index: number, array: BigInt64Array) => bigint, thisArg?: any): BigInt64Array;

/**

* Calls the specified callback function for all the elements in an array. The return value of

* the callback function is the accumulated result, and is provided as an argument in the next

* call to the callback function.

* @param callbackfn A function that accepts up to four arguments. The reduce method calls the

* callbackfn function one time for each element in the array.

* @param initialValue If initialValue is specified, it is used as the initial value to start

* the accumulation. The first call to the callbackfn function provides this value as an argument

* instead of an array value.

*/

reduce(callbackfn: (previousValue: bigint, currentValue: bigint, currentIndex: number, array: BigInt64Array) => bigint): bigint;

/**

* Calls the specified callback function for all the elements in an array. The return value of

* the callback function is the accumulated result, and is provided as an argument in the next

* call to the callback function.

* @param callbackfn A function that accepts up to four arguments. The reduce method calls the

* callbackfn function one time for each element in the array.

* @param initialValue If initialValue is specified, it is used as the initial value to start

* the accumulation. The first call to the callbackfn function provides this value as an argument

* instead of an array value.

*/

reduce<U>(callbackfn: (previousValue: U, currentValue: bigint, currentIndex: number, array: BigInt64Array) => U, initialValue: U): U;

/**

* Calls the specified callback function for all the elements in an array, in descending order.

* The return value of the callback function is the accumulated result, and is provided as an

* argument in the next call to the callback function.

* @param callbackfn A function that accepts up to four arguments. The reduceRight method calls

* the callbackfn function one time for each element in the array.

* @param initialValue If initialValue is specified, it is used as the initial value to start

* the accumulation. The first call to the callbackfn function provides this value as an

* argument instead of an array value.

*/

reduceRight(callbackfn: (previousValue: bigint, currentValue: bigint, currentIndex: number, array: BigInt64Array) => bigint): bigint;

/**

* Calls the specified callback function for all the elements in an array, in descending order.

* The return value of the callback function is the accumulated result, and is provided as an

* argument in the next call to the callback function.

* @param callbackfn A function that accepts up to four arguments. The reduceRight method calls

* the callbackfn function one time for each element in the array.

* @param initialValue If initialValue is specified, it is used as the initial value to start

* the accumulation. The first call to the callbackfn function provides this value as an argument

* instead of an array value.

*/

reduceRight<U>(callbackfn: (previousValue: U, currentValue: bigint, currentIndex: number, array: BigInt64Array) => U, initialValue: U): U;

/** Reverses the elements in the array. */

reverse(): this;

/**

* Sets a value or an array of values.

* @param array A typed or untyped array of values to set.

* @param offset The index in the current array at which the values are to be written.

*/

set(array: ArrayLike<bigint>, offset?: number): void;

/**

* Returns a section of an array.

* @param start The beginning of the specified portion of the array.

* @param end The end of the specified portion of the array.

*/

slice(start?: number, end?: number): BigInt64Array;

/**

* Determines whether the specified callback function returns true for any element of an array.

* @param callbackfn A function that accepts up to three arguments. The some method calls the

* callbackfn function for each element in the array until the callbackfn returns true, or until

* the end of the array.

* @param thisArg An object to which the this keyword can refer in the callbackfn function.

* If thisArg is omitted, undefined is used as the this value.

*/

some(callbackfn: (value: bigint, index: number, array: BigInt64Array) => boolean, thisArg?: any): boolean;

/**

* Sorts the array.

* @param compareFn The function used to determine the order of the elements. If omitted, the elements are sorted in ascending order.

*/

sort(compareFn?: (a: bigint, b: bigint) => number | bigint): this;

/**

* Gets a new BigInt64Array view of the ArrayBuffer store for this array, referencing the elements

* at begin, inclusive, up to end, exclusive.

* @param begin The index of the beginning of the array.

* @param end The index of the end of the array.

*/

subarray(begin: number, end?: number): BigInt64Array;

/** Converts the array to a string by using the current locale. */

toLocaleString(): string;

/** Returns a string representation of the array. */

toString(): string;

/** Yields each value in the array. */

values(): IterableIterator<bigint>;

[Symbol.iterator](): IterableIterator<bigint>;

readonly [Symbol.toStringTag]: "BigInt64Array";

[index: number]: bigint;

}

interface BigInt64ArrayConstructor {

readonly prototype: BigInt64Array;

new(length?: number): BigInt64Array;

new(array: Iterable<bigint>): BigInt64Array;

new(buffer: ArrayBufferLike, byteOffset?: number, length?: number): BigInt64Array;

/** The size in bytes of each element in the array. */

readonly BYTES_PER_ELEMENT: number;

/**

* Returns a new array from a set of elements.

* @param items A set of elements to include in the new array object.

*/

of(...items: bigint[]): BigInt64Array;

/**

* Creates an array from an array-like or iterable object.

* @param arrayLike An array-like or iterable object to convert to an array.

* @param mapfn A mapping function to call on every element of the array.

* @param thisArg Value of 'this' used to invoke the mapfn.

*/

from(arrayLike: ArrayLike<bigint>): BigInt64Array;

from<U>(arrayLike: ArrayLike<U>, mapfn: (v: U, k: number) => bigint, thisArg?: any): BigInt64Array;

}

declare var BigInt64Array: BigInt64ArrayConstructor;

/**

* A typed array of 64-bit unsigned integer values. The contents are initialized to 0. If the

* requested number of bytes could not be allocated, an exception is raised.

*/

interface BigUint64Array {

/** The size in bytes of each element in the array. */

readonly BYTES_PER_ELEMENT: number;

/** The ArrayBuffer instance referenced by the array. */

readonly buffer: ArrayBufferLike;

/** The length in bytes of the array. */

readonly byteLength: number;

/** The offset in bytes of the array. */

readonly byteOffset: number;

/**

* Returns the this object after copying a section of the array identified by start and end

* to the same array starting at position target

* @param target If target is negative, it is treated as length+target where length is the

* length of the array.

* @param start If start is negative, it is treated as length+start. If end is negative, it

* is treated as length+end.

* @param end If not specified, length of the this object is used as its default value.

*/

copyWithin(target: number, start: number, end?: number): this;

/** Yields index, value pairs for every entry in the array. */

entries(): IterableIterator<[number, bigint]>;

/**

* Determines whether all the members of an array satisfy the specified test.

* @param callbackfn A function that accepts up to three arguments. The every method calls

* the callbackfn function for each element in the array until the callbackfn returns false,

* or until the end of the array.

* @param thisArg An object to which the this keyword can refer in the callbackfn function.

* If thisArg is omitted, undefined is used as the this value.

*/

every(callbackfn: (value: bigint, index: number, array: BigUint64Array) => boolean, thisArg?: any): boolean;

/**

* Returns the this object after filling the section identified by start and end with value

* @param value value to fill array section with

* @param start index to start filling the array at. If start is negative, it is treated as

* length+start where length is the length of the array.

* @param end index to stop filling the array at. If end is negative, it is treated as

* length+end.

*/

fill(value: bigint, start?: number, end?: number): this;

/**

* Returns the elements of an array that meet the condition specified in a callback function.

* @param callbackfn A function that accepts up to three arguments. The filter method calls

* the callbackfn function one time for each element in the array.

* @param thisArg An object to which the this keyword can refer in the callbackfn function.

* If thisArg is omitted, undefined is used as the this value.

*/

filter(callbackfn: (value: bigint, index: number, array: BigUint64Array) => any, thisArg?: any): BigUint64Array;

/**

* Returns the value of the first element in the array where predicate is true, and undefined

* otherwise.

* @param predicate find calls predicate once for each element of the array, in ascending

* order, until it finds one where predicate returns true. If such an element is found, find

* immediately returns that element value. Otherwise, find returns undefined.

* @param thisArg If provided, it will be used as the this value for each invocation of

* predicate. If it is not provided, undefined is used instead.

*/

find(predicate: (value: bigint, index: number, array: BigUint64Array) => boolean, thisArg?: any): bigint | undefined;

/**

* Returns the index of the first element in the array where predicate is true, and -1

* otherwise.

* @param predicate find calls predicate once for each element of the array, in ascending

* order, until it finds one where predicate returns true. If such an element is found,

* findIndex immediately returns that element index. Otherwise, findIndex returns -1.

* @param thisArg If provided, it will be used as the this value for each invocation of

* predicate. If it is not provided, undefined is used instead.

*/

findIndex(predicate: (value: bigint, index: number, array: BigUint64Array) => boolean, thisArg?: any): number;

/**

* Performs the specified action for each element in an array.

* @param callbackfn A function that accepts up to three arguments. forEach calls the

* callbackfn function one time for each element in the array.

* @param thisArg An object to which the this keyword can refer in the callbackfn function.

* If thisArg is omitted, undefined is used as the this value.

*/

forEach(callbackfn: (value: bigint, index: number, array: BigUint64Array) => void, thisArg?: any): void;

/**

* Determines whether an array includes a certain element, returning true or false as appropriate.

* @param searchElement The element to search for.

* @param fromIndex The position in this array at which to begin searching for searchElement.

*/

includes(searchElement: bigint, fromIndex?: number): boolean;

/**

* Returns the index of the first occurrence of a value in an array.

* @param searchElement The value to locate in the array.

* @param fromIndex The array index at which to begin the search. If fromIndex is omitted, the

* search starts at index 0.

*/

indexOf(searchElement: bigint, fromIndex?: number): number;

/**

* Adds all the elements of an array separated by the specified separator string.

* @param separator A string used to separate one element of an array from the next in the

* resulting String. If omitted, the array elements are separated with a comma.

*/

join(separator?: string): string;

/** Yields each index in the array. */

keys(): IterableIterator<number>;

/**

* Returns the index of the last occurrence of a value in an array.

* @param searchElement The value to locate in the array.

* @param fromIndex The array index at which to begin the search. If fromIndex is omitted, the

* search starts at index 0.

*/

lastIndexOf(searchElement: bigint, fromIndex?: number): number;

/** The length of the array. */

readonly length: number;

/**

* Calls a defined callback function on each element of an array, and returns an array that

* contains the results.

* @param callbackfn A function that accepts up to three arguments. The map method calls the

* callbackfn function one time for each element in the array.

* @param thisArg An object to which the this keyword can refer in the callbackfn function.

* If thisArg is omitted, undefined is used as the this value.

*/

map(callbackfn: (value: bigint, index: number, array: BigUint64Array) => bigint, thisArg?: any): BigUint64Array;

/**

* Calls the specified callback function for all the elements in an array. The return value of

* the callback function is the accumulated result, and is provided as an argument in the next

* call to the callback function.

* @param callbackfn A function that accepts up to four arguments. The reduce method calls the

* callbackfn function one time for each element in the array.

* @param initialValue If initialValue is specified, it is used as the initial value to start

* the accumulation. The first call to the callbackfn function provides this value as an argument

* instead of an array value.

*/

reduce(callbackfn: (previousValue: bigint, currentValue: bigint, currentIndex: number, array: BigUint64Array) => bigint): bigint;

/**

* Calls the specified callback function for all the elements in an array. The return value of

* the callback function is the accumulated result, and is provided as an argument in the next

* call to the callback function.

* @param callbackfn A function that accepts up to four arguments. The reduce method calls the

* callbackfn function one time for each element in the array.

* @param initialValue If initialValue is specified, it is used as the initial value to start

* the accumulation. The first call to the callbackfn function provides this value as an argument

* instead of an array value.

*/

reduce<U>(callbackfn: (previousValue: U, currentValue: bigint, currentIndex: number, array: BigUint64Array) => U, initialValue: U): U;

/**

* Calls the specified callback function for all the elements in an array, in descending order.

* The return value of the callback function is the accumulated result, and is provided as an

* argument in the next call to the callback function.

* @param callbackfn A function that accepts up to four arguments. The reduceRight method calls

* the callbackfn function one time for each element in the array.

* @param initialValue If initialValue is specified, it is used as the initial value to start

* the accumulation. The first call to the callbackfn function provides this value as an

* argument instead of an array value.

*/

reduceRight(callbackfn: (previousValue: bigint, currentValue: bigint, currentIndex: number, array: BigUint64Array) => bigint): bigint;

/**

* Calls the specified callback function for all the elements in an array, in descending order.

* The return value of the callback function is the accumulated result, and is provided as an

* argument in the next call to the callback function.

* @param callbackfn A function that accepts up to four arguments. The reduceRight method calls

* the callbackfn function one time for each element in the array.

* @param initialValue If initialValue is specified, it is used as the initial value to start

* the accumulation. The first call to the callbackfn function provides this value as an argument

* instead of an array value.

*/

reduceRight<U>(callbackfn: (previousValue: U, currentValue: bigint, currentIndex: number, array: BigUint64Array) => U, initialValue: U): U;

/** Reverses the elements in the array. */

reverse(): this;

/**

* Sets a value or an array of values.

* @param array A typed or untyped array of values to set.

* @param offset The index in the current array at which the values are to be written.

*/

set(array: ArrayLike<bigint>, offset?: number): void;

/**

* Returns a section of an array.

* @param start The beginning of the specified portion of the array.

* @param end The end of the specified portion of the array.

*/

slice(start?: number, end?: number): BigUint64Array;

/**

* Determines whether the specified callback function returns true for any element of an array.

* @param callbackfn A function that accepts up to three arguments. The some method calls the

* callbackfn function for each element in the array until the callbackfn returns true, or until

* the end of the array.

* @param thisArg An object to which the this keyword can refer in the callbackfn function.

* If thisArg is omitted, undefined is used as the this value.

*/

some(callbackfn: (value: bigint, index: number, array: BigUint64Array) => boolean, thisArg?: any): boolean;

/**

* Sorts the array.

* @param compareFn The function used to determine the order of the elements. If omitted, the elements are sorted in ascending order.

*/

sort(compareFn?: (a: bigint, b: bigint) => number | bigint): this;

/**

* Gets a new BigUint64Array view of the ArrayBuffer store for this array, referencing the elements

* at begin, inclusive, up to end, exclusive.

* @param begin The index of the beginning of the array.

* @param end The index of the end of the array.

*/

subarray(begin: number, end?: number): BigUint64Array;

/** Converts the array to a string by using the current locale. */

toLocaleString(): string;

/** Returns a string representation of the array. */

toString(): string;

/** Yields each value in the array. */

values(): IterableIterator<bigint>;

[Symbol.iterator](): IterableIterator<bigint>;

readonly [Symbol.toStringTag]: "BigUint64Array";

[index: number]: bigint;

}

interface BigUint64ArrayConstructor {

readonly prototype: BigUint64Array;

new(length?: number): BigUint64Array;

new(array: Iterable<bigint>): BigUint64Array;

new(buffer: ArrayBufferLike, byteOffset?: number, length?: number): BigUint64Array;

/** The size in bytes of each element in the array. */

readonly BYTES_PER_ELEMENT: number;

/**

* Returns a new array from a set of elements.

* @param items A set of elements to include in the new array object.

*/

of(...items: bigint[]): BigUint64Array;

/**

* Creates an array from an array-like or iterable object.

* @param arrayLike An array-like or iterable object to convert to an array.

* @param mapfn A mapping function to call on every element of the array.

* @param thisArg Value of 'this' used to invoke the mapfn.

*/

from(arrayLike: ArrayLike<bigint>): BigUint64Array;

from<U>(arrayLike: ArrayLike<U>, mapfn: (v: U, k: number) => bigint, thisArg?: any): BigUint64Array;

}

declare var BigUint64Array: BigUint64ArrayConstructor;

interface DataView {

/**

* Gets the BigInt64 value at the specified byte offset from the start of the view. There is

* no alignment constraint; multi-byte values may be fetched from any offset.

* @param byteOffset The place in the buffer at which the value should be retrieved.

*/

getBigInt64(byteOffset: number, littleEndian?: boolean): bigint;

/**

* Gets the BigUint64 value at the specified byte offset from the start of the view. There is

* no alignment constraint; multi-byte values may be fetched from any offset.

* @param byteOffset The place in the buffer at which the value should be retrieved.

*/

getBigUint64(byteOffset: number, littleEndian?: boolean): bigint;

/**

* Stores a BigInt64 value at the specified byte offset from the start of the view.

* @param byteOffset The place in the buffer at which the value should be set.

* @param value The value to set.

* @param littleEndian If false or undefined, a big-endian value should be written,

* otherwise a little-endian value should be written.

*/

setBigInt64(byteOffset: number, value: bigint, littleEndian?: boolean): void;

/**

* Stores a BigUint64 value at the specified byte offset from the start of the view.

* @param byteOffset The place in the buffer at which the value should be set.

* @param value The value to set.

* @param littleEndian If false or undefined, a big-endian value should be written,

* otherwise a little-endian value should be written.

*/

setBigUint64(byteOffset: number, value: bigint, littleEndian?: boolean): void;

}