/**
Matches any [primitive value](https://developer.mozilla.org/en-US/docs/Glossary/Primitive).
*/
export type Primitive = null | undefined | string | number | boolean | symbol | bigint;
/**
Matches a [`class` constructor](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Classes).
*/
type Constructor<T, Arguments extends unknown[] = any[]> = new (...arguments_: Arguments) => T;
/**
Matches a [`class`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Classes).
*/
export type Class<T, Arguments extends unknown[] = any[]> = Constructor<T, Arguments> & {
    prototype: T;
};
/**
Matches any [typed array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray), like `Uint8Array` or `Float64Array`.
*/
export type TypedArray = Int8Array | Uint8Array | Uint8ClampedArray | Int16Array | Uint16Array | Int32Array | Uint32Array | Float32Array | Float64Array | BigInt64Array | BigUint64Array;
declare global {
    interface SymbolConstructor {
        readonly observable: symbol;
    }
}
/**
Matches a value that is like an [Observable](https://github.com/tc39/proposal-observable).
*/
export type ObservableLike = {
    subscribe(observer: (value: unknown) => void): void;
    [Symbol.observable](): ObservableLike;
};
export type Falsy = false | 0 | 0n | '' | null | undefined;
export type WeakRef<T extends object> = {
    readonly [Symbol.toStringTag]: 'WeakRef';
    deref(): T | undefined;
};
export type ArrayLike<T> = {
    readonly [index: number]: T;
    readonly length: number;
};
export type NodeStream = {
    pipe<T extends NodeJS.WritableStream>(destination: T, options?: {
        end?: boolean;
    }): T;
} & NodeJS.EventEmitter;
export type Predicate = (value: unknown) => boolean;
export type NonEmptyString = string & {
    0: string;
};
export type Whitespace = ' ';
type Brand<Key extends string> = Readonly<Record<Key, true>>;
/**
A string that represents a valid URL.

This is a branded type to prevent incorrect TypeScript type narrowing.
*/
export type UrlString = string & {
    readonly __brand: 'UrlString';
};
/**
The IEEE 754 "Not-a-Number" value, typed as a subtype of `number`.

Branded to prevent false-branch narrowing to `never` when the input is `number`.
*/
export type NaN = number & Brand<'__nanBrand'>;
/**
A finite number (excludes `NaN`, `Infinity`, and `-Infinity`).

Branded to prevent false-branch narrowing to `never` when the input is `number`.
*/
export type FiniteNumber = number & Brand<'__finiteNumberBrand'>;
/**
A number greater than or equal to zero.

Branded to prevent false-branch narrowing to `never` when the input is `number`.
*/
export type NonNegativeNumber = number & Brand<'__nonNegativeNumberBrand'>;
/**
An integer value (no fractional part).

Branded to prevent false-branch narrowing to `never` when the input is `number`.
*/
export type Integer = FiniteNumber & Brand<'__integerBrand'>;
/**
A number greater than zero.

Branded to prevent false-branch narrowing to `never` when the input is `number`.
*/
export type PositiveNumber = NonNegativeNumber & Brand<'__positiveNumberBrand'>;
/**
A number less than zero.

Branded to prevent false-branch narrowing to `never` when the input is `number`.
*/
export type NegativeNumber = number & Brand<'__negativeNumberBrand'>;
/**
An integer less than zero.

Branded to prevent false-branch narrowing to `never` when the input is `number`.
*/
export type NegativeInteger = Integer & NegativeNumber & Brand<'__negativeIntegerBrand'>;
/**
An integer greater than or equal to zero.

Branded to prevent false-branch narrowing to `never` when the input is `number`.
*/
export type NonNegativeInteger = Integer & NonNegativeNumber & Brand<'__nonNegativeIntegerBrand'>;
/**
An integer greater than zero.

Branded to prevent false-branch narrowing to `never` when the input is `number`.
*/
export type PositiveInteger = NonNegativeInteger & PositiveNumber & Brand<'__positiveIntegerBrand'>;
/**
A positive infinite number (`Infinity`).

Branded to prevent false-branch narrowing to `never` when the input is `number`.
*/
export type PositiveInfinity = PositiveNumber & Brand<'__positiveInfinityBrand'>;
/**
A negative infinite number (`-Infinity`).

Branded to prevent false-branch narrowing to `never` when the input is `number`.
*/
export type NegativeInfinity = NegativeNumber & Brand<'__negativeInfinityBrand'>;
/**
A safe integer (within the range of `Number.MIN_SAFE_INTEGER` to `Number.MAX_SAFE_INTEGER`).

Branded to prevent false-branch narrowing to `never` when the input is `number`.
*/
export type SafeInteger = Integer & Brand<'__safeIntegerBrand'>;
/**
An even integer.

Branded to prevent false-branch narrowing to `never` when the input is `number`.
*/
export type EvenInteger = Integer & Brand<'__evenIntegerBrand'>;
/**
An odd integer.

Branded to prevent false-branch narrowing to `never` when the input is `number`.
*/
export type OddInteger = Integer & Brand<'__oddIntegerBrand'>;
/**
A non-negative safe integer, suitable as an array or string length.

Branded to prevent false-branch narrowing to `never` when the input is `number`.
*/
export type ValidLength = SafeInteger & NonNegativeInteger & Brand<'__validLengthBrand'>;
export {};
