/**
 * A class for representing a range of numbers and also iterating through them. When `next.done` is true, resets the
 * internal counter back to `start`.
 */
export declare class RangeIterator implements IterableIterator<number> {
    /** The start of this range of numbers (inclusive). */
    readonly start: number;
    /** The stop/end point of this range of numbers (exclusive). */
    readonly stop: number;
    /** Each iteration is increased by this amount. */
    readonly step: number;
    /** Alias of `includes`. */
    has: (n: number) => boolean;
    /** Alias of `nth`. */
    at: (index: number) => number | undefined;
    protected i: number;
    protected _length: number;
    /** The sign of `step`. */
    protected readonly stepSign: number;
    constructor(...params: number[]);
    /** The length of this range of numbers. */
    get length(): number;
    [Symbol.iterator](): IterableIterator<number>;
    next(): IteratorResult<number>;
    /** Returns true if `n` is inside of this range. */
    includes(n: number): boolean;
    /** Returns the number at `index` in this range. `index` can be negative to access indices starting from the end. */
    nth(index: number): number | undefined;
    /** Returns the index that `n` is at in this range. */
    index(n: number): number;
    /** Returns true if this range is equal to another. */
    equal(other: RangeIterator): boolean;
    toString(): string;
    /** Iterates and collects all values into an Array. */
    toArray(): number[];
}
export default RangeIterator;
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