import type { Key, Range } from './common.js';
/**
 * A set backed by a persistent store.
 */
interface AztecBaseSet<K extends Key> {
    /**
     * Adds the given value.
     * @param key - The key to add.
     */
    add(key: K): Promise<void>;
    /**
     * Deletes the given key.
     * @param key - The key to delete.
     */
    delete(key: K): Promise<void>;
}
export interface AztecSet<K extends Key> extends AztecBaseSet<K> {
    /**
     * Checks if a key exists in the set.
     * @param key - The key to check
     * @returns True if the key exists, false otherwise
     */
    has(key: K): boolean;
    /**
     * Iterates over the sets's keys entries in the key's natural order
     * @param range - The range of keys to iterate over
     */
    entries(range?: Range<K>): IterableIterator<K>;
}
export interface AztecAsyncSet<K extends Key> extends AztecBaseSet<K> {
    /**
     * Checks if a key exists in the set.
     * @param key - The key to check
     * @returns True if the key exists, false otherwise
     */
    hasAsync(key: K): Promise<boolean>;
    /**
     * Iterates over the sets's keys entries in the key's natural order
     * @param range - The range of keys to iterate over
     */
    entriesAsync(range?: Range<K>): AsyncIterableIterator<K>;
}
export {};
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