import { AbortOptions, MaybePromise } from '@mithic/commons';
import { MaybeAsyncSet, MaybeAsyncSetBatch } from '../set.js';
/** A set adapter that encodes keys. */
export declare class EncodedSet<T, U = T, S extends MaybeAsyncSet<U> & Partial<MaybeAsyncSetBatch<U> & Iterable<U> & AsyncIterable<U>> = MaybeAsyncSet<U> & Partial<MaybeAsyncSetBatch<U> & Iterable<U> & AsyncIterable<U>>> implements MaybeAsyncSet<T>, MaybeAsyncSetBatch<T>, Partial<Iterable<T> & AsyncIterable<T>> {
    /** The underlying set. */
    readonly set: S;
    /** The key encoder. */
    protected readonly encode: (key: T) => U;
    /** The key decoder. Optional if set iteration is not needed. */
    protected readonly decode: (key: U) => T;
    [Symbol.iterator]: S extends Iterable<U> ? () => IterableIterator<T> : undefined;
    [Symbol.asyncIterator]: S extends (Iterable<U> | AsyncIterable<U>) ? () => AsyncIterableIterator<T> : undefined;
    constructor(
    /** The underlying set. */
    set: S, 
    /** The key encoder. */
    encode?: (key: T) => U, 
    /** The key decoder. Optional if set iteration is not needed. */
    decode?: (key: U) => T);
    add(value: T, options?: AbortOptions): MaybePromise<unknown>;
    delete(value: T, options?: AbortOptions): MaybePromise<unknown>;
    has(value: T, options?: AbortOptions): MaybePromise<boolean>;
    addMany(keys: Iterable<T>, options?: AbortOptions): AsyncIterableIterator<Error | undefined>;
    deleteMany(keys: Iterable<T>, options?: AbortOptions): AsyncIterableIterator<Error | undefined>;
    hasMany(keys: Iterable<T>, options?: AbortOptions): AsyncIterableIterator<boolean>;
    updateMany(keys: Iterable<[key: T, isDelete?: boolean]>, options?: AbortOptions): AsyncIterableIterator<Error | undefined>;
    get [Symbol.toStringTag](): string;
}
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