import type { DatabaseAdapter } from '../db-manager.js';
export interface CaseMembershipMatchInput {
    event_id: string;
    event_text: string;
    event_entities: string[];
    observed_at: string;
    explicit_case_id?: string | null;
    query_embedding?: Float32Array | null;
    now?: string;
}
export interface CaseMembershipMatch {
    case_id: string;
    score: number;
    status: 'active' | 'candidate';
    reason: string;
}
export type CaseMembershipMatchResult = CaseMembershipMatch[] | {
    kind: 'precompile_gap';
    code: 'case.precompile_gap';
    case_id: string;
};
export declare function matchEventToExistingCases(adapter: DatabaseAdapter, input: CaseMembershipMatchInput): CaseMembershipMatchResult;
//# sourceMappingURL=membership-matcher.d.ts.map