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declare const IncrementSymbol: unique symbol;
declare const EpochSymbol: unique symbol;
declare const ProcessIdSymbol: unique symbol;
declare const WorkerIdSymbol: unique symbol;
/**
* The maximum value the `workerId` field accepts in snowflakes.
*/
declare const MaximumWorkerId = 31n;
/**
* The maximum value the `processId` field accepts in snowflakes.
*/
declare const MaximumProcessId = 31n;
/**
* The maximum value the `increment` field accepts in snowflakes.
*/
declare const MaximumIncrement = 4095n;
/**
* A class for generating and deconstructing Twitter snowflakes.
*
* A {@link https://developer.twitter.com/en/docs/twitter-ids Twitter snowflake}
* is a 64-bit unsigned integer with 4 fields that have a fixed epoch value.
*
* If we have a snowflake `266241948824764416` we can represent it as binary:
* ```
* 64 22 17 12 0
* 000000111011000111100001101001000101000000 00001 00000 000000000000
* number of ms since epoch worker pid increment
* ```
*/
declare class Snowflake {
/**
* Alias for {@link deconstruct}
*/
decode: (id: string | bigint) => DeconstructedSnowflake;
/**
* Internal reference of the epoch passed in the constructor
* @internal
*/
private readonly [EpochSymbol];
/**
* Internal incrementor for generating snowflakes
* @internal
*/
private [IncrementSymbol];
/**
* The process ID that will be used by default in the generate method
* @internal
*/
private [ProcessIdSymbol];
/**
* The worker ID that will be used by default in the generate method
* @internal
*/
private [WorkerIdSymbol];
/**
* @param epoch the epoch to use
*/
constructor(epoch: number | bigint | Date);
/**
* The epoch for this snowflake
*/
get epoch(): bigint;
/**
* Gets the configured process ID
*/
get processId(): bigint;
/**
* Sets the process ID that will be used by default for the {@link generate} method
* @param value The new value, will be coerced to BigInt and masked with `0b11111n`
*/
set processId(value: number | bigint);
/**
* Gets the configured worker ID
*/
get workerId(): bigint;
/**
* Sets the worker ID that will be used by default for the {@link generate} method
* @param value The new value, will be coerced to BigInt and masked with `0b11111n`
*/
set workerId(value: number | bigint);
/**
* Generates a snowflake given an epoch and optionally a timestamp
* @param options options to pass into the generator, see {@link SnowflakeGenerateOptions}
*
* **note** when `increment` is not provided it defaults to the private `increment` of the instance
* @example
* ```typescript
* const epoch = new Date('2000-01-01T00:00:00.000Z');
* const snowflake = new Snowflake(epoch).generate();
* ```
* @returns A unique snowflake
*/
generate({ increment, timestamp, workerId, processId }?: SnowflakeGenerateOptions): bigint;
/**
* Deconstructs a snowflake given a snowflake ID
* @param id the snowflake to deconstruct
* @returns a deconstructed snowflake
* @example
* ```typescript
* const epoch = new Date('2000-01-01T00:00:00.000Z');
* const snowflake = new Snowflake(epoch).deconstruct('3971046231244935168');
* ```
*/
deconstruct(id: string | bigint): DeconstructedSnowflake;
/**
* Retrieves the timestamp field's value from a snowflake.
* @param id The snowflake to get the timestamp value from.
* @returns The UNIX timestamp that is stored in `id`.
*/
timestampFrom(id: string | bigint): number;
/**
* Returns a number indicating whether a reference snowflake comes before, or after, or is same as the given
* snowflake in sort order.
* @param a The first snowflake to compare.
* @param b The second snowflake to compare.
* @returns `-1` if `a` is older than `b`, `0` if `a` and `b` are equals, `1` if `a` is newer than `b`.
* @example Sort snowflakes in ascending order
* ```typescript
* const ids = ['737141877803057244', '1056191128120082432', '254360814063058944'];
* console.log(ids.sort((a, b) => Snowflake.compare(a, b)));
* // β ['254360814063058944', '737141877803057244', '1056191128120082432'];
* ```
* @example Sort snowflakes in descending order
* ```typescript
* const ids = ['737141877803057244', '1056191128120082432', '254360814063058944'];
* console.log(ids.sort((a, b) => -Snowflake.compare(a, b)));
* // β ['1056191128120082432', '737141877803057244', '254360814063058944'];
* ```
*/
static compare(a: string | bigint, b: string | bigint): -1 | 0 | 1;
}
/**
* Options for Snowflake#generate
*/
interface SnowflakeGenerateOptions {
/**
* Timestamp or date of the snowflake to generate
* @default Date.now()
*/
timestamp?: number | bigint | Date;
/**
* The increment to use
* @default 0n
* @remark keep in mind that this bigint is auto-incremented between generate calls
*/
increment?: bigint;
/**
* The worker ID to use, will be truncated to 5 bits (0-31)
* @default 0n
*/
workerId?: bigint;
/**
* The process ID to use, will be truncated to 5 bits (0-31)
* @default 1n
*/
processId?: bigint;
}
/**
* Object returned by Snowflake#deconstruct
*/
interface DeconstructedSnowflake {
/**
* The id in BigInt form
*/
id: bigint;
/**
* The timestamp stored in the snowflake
*/
timestamp: bigint;
/**
* The worker id stored in the snowflake
*/
workerId: bigint;
/**
* The process id stored in the snowflake
*/
processId: bigint;
/**
* The increment stored in the snowflake
*/
increment: bigint;
/**
* The epoch to use in the snowflake
*/
epoch: bigint;
}
/**
* A class for parsing snowflake ids using Discord's snowflake epoch
*
* Which is 2015-01-01 at 00:00:00.000 UTC+0, {@linkplain https://discord.com/developers/docs/reference#snowflakes}
*/
declare const DiscordSnowflake: Snowflake;
/**
* A class for parsing snowflake ids using Twitter's snowflake epoch
*
* Which is 2010-11-04 at 01:42:54.657 UTC+0, found in the archived snowflake repository {@linkplain https://github.com/twitter-archive/snowflake/blob/b3f6a3c6ca8e1b6847baa6ff42bf72201e2c2231/src/main/scala/com/twitter/service/snowflake/IdWorker.scala#L25}
*/
declare const TwitterSnowflake: Snowflake;
export { DeconstructedSnowflake, DiscordSnowflake, MaximumIncrement, MaximumProcessId, MaximumWorkerId, Snowflake, SnowflakeGenerateOptions, TwitterSnowflake };
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