import type { S2CellId } from '../../index.js';
/** The kind of input required to store a vector for proper indexing */
export interface VectorKey {
    cell: S2CellId;
}
/** Represents a vector store or an array */
export interface VectorStore<V> {
    push: (value: V) => void;
    get: (index: number | S2CellId) => Promise<V>;
    has: (key: number | S2CellId) => boolean | Promise<boolean>;
    length: number;
    values: () => AsyncGenerator<V>;
    sort: (() => void) | (() => Promise<void>);
    [Symbol.asyncIterator]: () => AsyncGenerator<V>;
    close: () => void;
}
/** A constructor for a vector store */
export type VectorStoreConstructor<V extends VectorKey> = new () => VectorStore<V>;
/**
 * # Vector Store
 *
 * ## Description
 * A local vector store
 *
 * ## Usage
 * ```ts
 * import { Vector } from 'gis-tools-ts';
 * import type { VectorKey } from 'gis-tools-ts';
 *
 * interface Data extends VectorKey { name: string };
 *
 * const vec = new Vector<Data>();
 * // push an entry
 * vec.push({ cell: 1n, name: 'test' });
 * vec.push({ cell: 1n, name: 'test2' });
 * // check if a key exists
 * vec.has(1n); // true
 * // get length of the store
 * console.log(vec.length); // 2
 *
 * // iterate over the store
 * for await (const entry of vec) console.log(entry);
 *
 * // close the store
 * vec.close();
 * ```
 */
export declare class Vector<V extends VectorKey> implements VectorStore<V> {
    #private;
    /**
     * Push a value into the store
     * @param value - the value to store
     */
    push(value: V): void;
    /**
     * @param index - the position in the store to get the value from
     * @returns the value
     */
    get(index: number | S2CellId): Promise<V>;
    /**
     * Check if the key exists
     * @param key - the key
     * @returns true if the key exists
     */
    has(key: number | S2CellId): boolean;
    /** @returns the length of the store */
    get length(): number;
    /**
     * iterate through the values
     * @yields {V} - the values iterator
     */
    values(): AsyncGenerator<V>;
    /** Sort the store in place */
    sort(): void;
    /**
     * iterate through the values
     * @returns an iterator
     */
    [Symbol.asyncIterator](): AsyncGenerator<V>;
    /** Closes the store */
    close(): void;
}
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