import type { ReadonlySignal } from '@nonoun/native-core';
export interface DataBinding {
    readonly id: string;
    readonly source: string;
    readonly method?: 'GET' | 'POST' | 'PUT' | 'PATCH' | 'DELETE';
    readonly headers?: Readonly<Record<string, string>>;
    readonly body?: unknown;
    readonly transform?: string;
    readonly cacheKey?: string;
    readonly cacheTtl?: number;
    readonly retries?: number;
    readonly retryDelay?: number;
}
export interface CacheEntry<T = unknown> {
    readonly data: T;
    readonly timestamp: number;
    readonly etag?: string;
}
export declare class DataStore {
    #private;
    readonly loading: ReadonlySignal<boolean>;
    readonly error: ReadonlySignal<Error | null>;
    query<T = unknown>(binding: DataBinding): ReadonlySignal<T | null>;
    mutate<T = unknown>(binding: DataBinding, optimistic?: {
        readonly key: string;
        readonly value: T;
    }): Promise<T>;
    invalidate(key: string): void;
    invalidateAll(): void;
    getCache(key: string): CacheEntry | null;
    abort(bindingId: string): void;
    abortAll(): void;
    destroy(): void;
}
export declare class HttpError extends Error {
    readonly status: number;
    readonly statusText: string;
    readonly url: string;
    constructor(status: number, statusText: string, url: string);
}
export declare function createDataStore(): DataStore;
export declare function createBinding(source: string, overrides?: Partial<Omit<DataBinding, 'id' | 'source'>>): DataBinding;
//# sourceMappingURL=data-runtime.d.ts.map