import type { ProviderMessage } from "../providers/ProviderTypes.js";
export interface ContextMessageRecord extends ProviderMessage {
    ts: number;
    model?: string;
    tokens?: number;
}
export interface ContextLaneSnapshot {
    laneId: string;
    messages: ContextMessageRecord[];
    messageCount: number;
    byteSize: number;
    updatedAt: number;
}
export interface ContextStoreOptions {
    workspaceRoot: string;
    storageDir: string;
}
export declare class ContextStore {
    private options;
    constructor(options: ContextStoreOptions);
    private lanePath;
    loadLane(laneId: string): Promise<ContextLaneSnapshot>;
    append(laneId: string, messages: ContextMessageRecord[] | ContextMessageRecord): Promise<ContextLaneSnapshot>;
    replace(laneId: string, messages: ContextMessageRecord[]): Promise<ContextLaneSnapshot>;
    truncate(laneId: string, maxMessages: number): Promise<ContextLaneSnapshot>;
}
//# sourceMappingURL=ContextStore.d.ts.map