import type { ActorRef, TaskAuthorityGrant, TaskContextEdge, TaskContextRole } from '@xopcai/gateway-contract';
export declare class TaskContextRepository {
    captureSnapshot(input: {
        ownerKind: 'task_run' | 'task' | 'session' | 'proactive_run';
        ownerId: string;
        query: string;
        selectedItems?: unknown[];
        rejectedItems?: unknown[];
        consentRequests?: unknown[];
        relationshipPolicy?: Record<string, unknown>;
        authorizationSnapshot?: Record<string, unknown>;
        sessionKey?: string;
        estimatedTokens?: number;
        allocation?: Record<string, unknown>;
        contentHash?: string;
        now?: number;
    }): {
        id: string;
        traceId: string;
    };
    add(input: {
        taskId: string;
        targetKind: TaskContextEdge['targetKind'];
        targetId: string;
        role: TaskContextRole;
        title?: string;
        pinned?: boolean;
        retrievalPolicy?: Record<string, unknown>;
        metadata?: Record<string, unknown>;
        createdBy: ActorRef;
        now?: number;
    }): TaskContextEdge;
    list(taskId: string): TaskContextEdge[];
    remove(taskId: string, edgeId: string): boolean;
    grant(input: {
        taskId: string;
        capability: string;
        scope?: Record<string, unknown>;
        grantedBy: ActorRef;
        expiresAt?: number;
        now?: number;
    }): TaskAuthorityGrant;
    listActiveGrants(taskId: string, now?: number): TaskAuthorityGrant[];
    revoke(grantId: string, now?: number): boolean;
    linkSession(input: {
        taskId: string;
        sessionKey: string;
        role: 'primary' | 'discussion' | 'execution';
        now?: number;
    }): void;
    private requireGrant;
}