import { AssetRetentionPolicy } from './AssetRetentionPolicy';
import { HttpClient, ProgressCallback, RequestCancelable } from '../http/';
import { QualifiedId } from '../user';
export interface CipherOptions {
    /** Set a custom algorithm for encryption */
    algorithm?: string;
    /** Set a custom hash for encryption */
    hash?: Buffer;
}
export interface AssetAuditData {
    conversationId: QualifiedId;
    filename: string;
    filetype: string;
}
export interface AssetOptions extends CipherOptions {
    public?: boolean;
    retention?: AssetRetentionPolicy;
    /** If given, will upload an asset that can be shared in a federated env */
    domain?: string;
    /** Used for identifying the conversation the asset belongs to */
    auditData?: AssetAuditData;
}
export interface AssetResponse {
    buffer: ArrayBuffer;
    mimeType?: string;
}
export declare class AssetAPI {
    private readonly client;
    private readonly logger;
    constructor(client: HttpClient);
    private getAssetShared;
    private postAssetShared;
    getAsset(assetId: string, assetDomain: string, token?: string | null, forceCaching?: boolean, progressCallback?: ProgressCallback): RequestCancelable<AssetResponse>;
    getServiceAsset(assetId: string, token?: string | null, forceCaching?: boolean, progressCallback?: ProgressCallback): RequestCancelable<AssetResponse>;
    /**
     * Uploads an asset to the backend
     *
     * @param asset Raw content of the asset to upload
     * @param options?
     * @param progressCallback? Will be called at every progress of the upload
     */
    postAsset(asset: Uint8Array, options?: AssetOptions, progressCallback?: ProgressCallback): RequestCancelable<{
        key: string;
        domain: string;
        token?: string | undefined;
        expires?: string | undefined;
    }>;
    postServiceAsset(asset: Uint8Array, options?: AssetOptions, progressCallback?: ProgressCallback): RequestCancelable<{
        key: string;
        domain: string;
        token?: string | undefined;
        expires?: string | undefined;
    }>;
}
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