import type { SyncCombinedRequest, SyncCombinedResponse } from '@syncular/core';
import type { SyncClient } from './api-client';
import { type ApiResult, type ClientOptions, type ResolveAuthRetry } from './shared';
export type { ClientOptions };
export declare const HTTP_TRANSPORT_SOURCE: unique symbol;
export type HttpTransportSource = SyncClient | ClientOptions;
interface TransportApiClient {
    sync(request: SyncCombinedRequest, signal?: AbortSignal): Promise<ApiResult<SyncCombinedResponse>>;
    initiateUpload(args: {
        hash: string;
        size: number;
        mimeType: string;
    }, signal?: AbortSignal): Promise<ApiResult<{
        exists: boolean;
        uploadUrl?: string;
        uploadMethod?: 'PUT' | 'POST';
        uploadHeaders?: Record<string, string>;
    }>>;
    completeUpload(hash: string, signal?: AbortSignal): Promise<ApiResult<{
        ok: boolean;
        error?: string;
    }>>;
    getDownloadUrl(hash: string, signal?: AbortSignal): Promise<ApiResult<{
        url: string;
        expiresAt: string;
    }>>;
    getSnapshotChunk(chunkId: string, scopeValues: Record<string, string | string[]> | undefined, signal?: AbortSignal): Promise<ApiResult<Blob>>;
}
export declare function createTransportApiClient(source: HttpTransportSource): TransportApiClient;
export declare function createTransportAuthRetryResolver(source: HttpTransportSource): ResolveAuthRetry;
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