import type { Session } from "../instance/index.js";
import { SignalService } from "@session.js/types/signal-bindings";
export declare const PROFILE_IV_LENGTH = 12;
export declare const PROFILE_KEY_LENGTH = 32;
export declare const PROFILE_TAG_LENGTH = 128;
export type Profile = {
    /** Name, displayed instead of your Session ID. Acts like nickname. All unicode characters are accepted except for `ￒ` (0xffd2) which is reserved by Session for mentions. Max length: 64 characters */
    displayName: string;
    /** Image, displayed near display name in Session clients. Acts like profile picture. */
    avatar?: {
        /** URL to avatar, uploaded to Session file server */
        url: string;
        /** 32 bytes key used for avatar encryption */
        key: Uint8Array;
    };
};
export type SignalILokiProfile = {
    lokiProfile: SignalService.DataMessage.ILokiProfile | undefined;
    profileKey: Uint8Array | undefined;
};
export declare function serializeProfile(profile: Profile): SignalILokiProfile;
export declare function downloadAvatar(this: Session, avatar: NonNullable<Profile["avatar"]>): Promise<Uint8Array>;
export declare function deserializeProfile(signalILokiProfile: SignalILokiProfile): Profile;
export declare function uploadAvatar(this: Session, avatar: Uint8Array): Promise<{
    profileKey: Uint8Array;
    avatarPointer: string;
}>;