import { type AssertionSensitivityCategory, type AssertionSubject, type PersonalDomain } from './domain.js';
export interface UserModelObservation {
    id: string;
    principalId: string;
    domain: PersonalDomain;
    type: string;
    subject: AssertionSubject;
    value: unknown;
    context: Record<string, unknown>;
    sensitivityCategories: AssertionSensitivityCategory[];
    ownerAttribution: 'user' | 'other' | 'shared' | 'unknown';
    observedAt: number;
    validTo?: number;
    deleteAfter?: number;
    sourceGrantId?: string;
    sourceItemId?: string;
    evidenceId?: string;
    contentHash: string;
    createdAt: number;
}
export declare function recordUserModelObservation(input: Omit<UserModelObservation, 'id' | 'principalId' | 'contentHash' | 'createdAt'> & {
    principalId?: string;
    contentHash?: string;
    nowMs?: number;
}): UserModelObservation;
export declare function listUserModelObservations(input?: {
    principalId?: string;
    domain?: PersonalDomain;
    sourceGrantId?: string;
    limit?: number;
}): UserModelObservation[];
export declare function deleteUserModelObservationsForGrant(grantId: string): number;
export type UserAssertionEdgeRelation = 'supports' | 'contradicts' | 'derived_from' | 'specializes';
export interface UserAssertionEdge {
    fromAssertionId: string;
    toAssertionId: string;
    relation: UserAssertionEdgeRelation;
    confidence: number;
    createdAt: number;
}
export declare function linkUserAssertions(input: {
    fromAssertionId: string;
    toAssertionId: string;
    relation: UserAssertionEdgeRelation;
    confidence: number;
    nowMs?: number;
}): void;
export declare function listUserAssertionEdges(assertionIds?: string[]): UserAssertionEdge[];