export type PresentationOutcome = "seen" | "not_placed" | "unknown";
export type PresentationClaim = {
    kind: "present";
    possibleRepeat: boolean;
} | {
    kind: "seen";
} | {
    kind: "parked";
} | {
    kind: "park";
} | {
    kind: "attach";
    settled: Promise<PresentationOutcome>;
} | {
    kind: "unavailable";
};
export interface ParkedMessage {
    messageRef: string;
    sender?: string;
}
export declare function defaultPresentationRecordPath(accountId: string): string;
export declare function _forgetPresentationRecordForTesting(path: string): void;
export declare class PresentationRecord {
    private readonly path;
    private readonly shared;
    constructor(path: string);
    claim(messageRef: string, sender?: string): Promise<PresentationClaim>;
    settle(messageRef: string, outcome: PresentationOutcome): Promise<boolean>;
    readable(): Promise<boolean>;
    parked(): Promise<ParkedMessage[]>;
    untoldParked(): Promise<ParkedMessage[]>;
    markTold(messageRefs: readonly string[]): Promise<void>;
    private parkedUnlocked;
    private openSettlement;
    private loadUnlocked;
    private put;
    private writeUnlocked;
    private locked;
}
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