import type { RunResult } from '../db-adapter/statement.js';
import { type QuestionType } from './question-type.js';
export type SearchFeedbackKind = 'shown' | 'accept' | 'reject' | 'hide' | 'click';
export type SearchFeedbackSourceType = 'decision' | 'checkpoint' | 'wiki_page' | 'case' | 'connector_event';
export interface SearchFeedbackInput {
    result_id: string;
    session_id?: string | null;
    query: string;
    result_source_type: SearchFeedbackSourceType;
    result_source_id: string;
    feedback_kind: SearchFeedbackKind;
    question_type?: QuestionType | null;
    shown_index: number;
    result_case_id?: string | null;
    clicked_result_rank?: number | null;
    created_at?: string;
}
export interface ListSearchFeedbackOptions {
    since?: string;
    until?: string;
    limit?: number;
}
export interface SearchFeedbackRow {
    feedback_id: string;
    query: string;
    query_hash_hex: string;
    question_type: QuestionType;
    result_source_type: SearchFeedbackSourceType;
    result_source_id: string;
    case_id: string | null;
    feedback_kind: SearchFeedbackKind;
    rank_position: number;
    score_before: number | null;
    score_after: number | null;
    session_id: string | null;
    actor: string;
    metadata_json: string | null;
    created_at: string;
    updated_at: string | null;
}
export interface RecordSearchFeedbackResult {
    feedback_id: string;
    query_hash: string;
    deduped: boolean;
}
export interface FeedbackStoreAdapter {
    prepare(sql: string): {
        run(...params: unknown[]): RunResult;
        get(...params: unknown[]): unknown;
        all(...params: unknown[]): unknown[];
    };
    transaction?<T>(fn: () => T): T | (() => T);
}
export declare function hashQuery(query: string): string;
export declare function getFeedbackRetentionDays(adapter: FeedbackStoreAdapter): number;
export declare function compactShownSearchFeedback(adapter: FeedbackStoreAdapter, retentionDays?: number): number;
export declare function recordSearchFeedback(adapter: FeedbackStoreAdapter, input: SearchFeedbackInput): RecordSearchFeedbackResult;
export declare function listSearchFeedback(adapter: FeedbackStoreAdapter, options?: ListSearchFeedbackOptions): SearchFeedbackRow[];
//# sourceMappingURL=feedback-store.d.ts.map