import type { ImageAttachmentRef } from '@deepseek-ai/dsh-attachment';
import type { SessionId } from '@deepseek-ai/dsh-session';
declare const callIdBrand: unique symbol;
/** Opaque browser-visible identity for one recorded vision call. */
export type CallId = string & {
    readonly [callIdBrand]: true;
};
/** Brand a validated call id. */
export declare function CallId(value: string): CallId;
interface VisionCallBase {
    id: CallId;
    sessionId: SessionId;
    createdAt: number;
    durationMs: number;
    origin: 'message' | 'tool' | 'tool-result';
    backendId: string;
    model: string;
    prompt: string;
    attachment: ImageAttachmentRef;
}
/** One successful external image-analysis request. */
export interface VisionCallSuccess extends VisionCallBase {
    status: 'success';
    title: string;
    result: string;
}
/** One failed external image-analysis request. */
export interface VisionCallFailure extends VisionCallBase {
    status: 'error';
    error: string;
}
/** Persisted sidebar row for one actual backend request. */
export type VisionCallRecord = VisionCallSuccess | VisionCallFailure;
/** Session-isolated JSONL persistence for sidebar call records. */
export declare class CallHistory {
    private readonly root;
    private readonly queues;
    constructor(root: string);
    /** Append one complete call after its backend request settles. */
    append(record: VisionCallRecord): Promise<void>;
    /** Return one session's records newest first after pending appends settle. */
    list(sessionId: SessionId): Promise<VisionCallRecord[]>;
    /** Resolve a call only within its owning session. */
    get(sessionId: SessionId, id: CallId): Promise<VisionCallRecord | undefined>;
}
export {};
//# sourceMappingURL=history.d.ts.map