import type { Database, DataKey } from "../util/data.js";
import type { Identifier, Item, Items, OptionalItem } from "../util/item.js";
import type { ItemQuery } from "../util/query.js";
import type { Sourceable } from "../util/source.js";
import type { Updates } from "../util/update.js";
import type { AsyncProvider, Provider } from "./Provider.js";
/** A provider that passes through to a synchronous source. */
export declare class ThroughProvider<I extends Identifier, T extends Database> implements Provider<I, T>, Sourceable<Provider<I, T>> {
    readonly source: Provider<I, T>;
    constructor(source: Provider<I, T>);
    getItem<K extends DataKey<T>>(collection: K, id: I): OptionalItem<I, T[K]>;
    requireItem<K extends DataKey<T>>(collection: K, id: I): Item<I, T[K]>;
    getItemSequence<K extends DataKey<T>>(collection: K, id: I): AsyncIterable<OptionalItem<I, T[K]>>;
    addItem<K extends DataKey<T>>(collection: K, data: T[K]): I;
    setItem<K extends DataKey<T>>(collection: K, id: I, data: T[K]): void;
    updateItem<K extends DataKey<T>>(collection: K, id: I, update: Updates<T[K]>): void;
    deleteItem<K extends DataKey<T>>(collection: K, id: I): void;
    countQuery<K extends DataKey<T>>(collection: K, query?: ItemQuery<I, T[K]>): number;
    getQuery<K extends DataKey<T>>(collection: K, query?: ItemQuery<I, T[K]>): Items<I, T[K]>;
    getQuerySequence<K extends DataKey<T>>(collection: K, query?: ItemQuery<I, T[K]>): AsyncIterable<Items<I, T[K]>>;
    setQuery<K extends DataKey<T>>(collection: K, query: ItemQuery<I, T[K]>, data: T[K]): void;
    updateQuery<K extends DataKey<T>>(collection: K, query: ItemQuery<I, T[K]>, update: Updates<T[K]>): void;
    deleteQuery<K extends DataKey<T>>(collection: K, query: ItemQuery<I, T[K]>): void;
    getFirst<K extends DataKey<T>>(collection: K, query: ItemQuery<I, T[K]>): OptionalItem<I, T[K]>;
    requireFirst<K extends DataKey<T>>(collection: K, query: ItemQuery<I, T[K]>): Item<I, T[K]>;
}
/** A provider that passes through to an asynchronous source. */
export declare class AsyncThroughProvider<I extends Identifier, T extends Database> implements AsyncProvider<I, T>, Sourceable<AsyncProvider<I, T>> {
    readonly source: AsyncProvider<I, T>;
    constructor(source: AsyncProvider<I, T>);
    getItem<K extends DataKey<T>>(collection: K, id: I): Promise<OptionalItem<I, T[K]>>;
    requireItem<K extends DataKey<T>>(collection: K, id: I): Promise<Item<I, T[K]>>;
    getItemSequence<K extends DataKey<T>>(collection: K, id: I): AsyncIterable<OptionalItem<I, T[K]>>;
    addItem<K extends DataKey<T>>(collection: K, data: T[K]): Promise<I>;
    setItem<K extends DataKey<T>>(collection: K, id: I, data: T[K]): Promise<void>;
    updateItem<K extends DataKey<T>>(collection: K, id: I, updates: Updates<T[K]>): Promise<void>;
    deleteItem<K extends DataKey<T>>(collection: K, id: I): Promise<void>;
    countQuery<K extends DataKey<T>>(collection: K, query?: ItemQuery<I, T[K]>): Promise<number>;
    getQuery<K extends DataKey<T>>(collection: K, query?: ItemQuery<I, T[K]>): Promise<Items<I, T[K]>>;
    getQuerySequence<K extends DataKey<T>>(collection: K, query?: ItemQuery<I, T[K]>): AsyncIterable<Items<I, T[K]>>;
    setQuery<K extends DataKey<T>>(collection: K, query: ItemQuery<I, T[K]>, data: T[K]): Promise<void>;
    updateQuery<K extends DataKey<T>>(collection: K, query: ItemQuery<I, T[K]>, updates: Updates<T[K]>): Promise<void>;
    deleteQuery<K extends DataKey<T>>(collection: K, query: ItemQuery<I, T[K]>): Promise<void>;
    getFirst<K extends DataKey<T>>(collection: K, query: ItemQuery<I, T[K]>): Promise<OptionalItem<I, T[K]>>;
    requireFirst<K extends DataKey<T>>(collection: K, query: ItemQuery<I, T[K]>): Promise<Item<I, T[K]>>;
}