import type { KeyPairModel } from '@owlmeans/basic-keys';
import type { EnvelopeKind } from './consts';
export interface Envelope {
    t: string;
    msg: string;
    sig?: string;
    dt: number;
    ttl: number | null;
}
export interface EnvelopeModel<T extends {} | string = string> {
    envelope: Envelope;
    send: <M extends T>(msg: M, ttl?: number | null) => EnvelopeModel;
    wrap: () => string;
    tokenize: () => string;
    message: <M extends T>(preserve?: boolean) => M;
    type: () => string;
    sign: (key: KeyPairModel, kind?: EnvelopeKind) => Promise<string>;
    verify: (key: KeyPairModel) => Promise<boolean>;
}
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