export declare const MCP_LOG_BODY_CAP: number;
export declare const MCP_LOG_TTL_DAYS: number;
export declare const MCP_LOG_INTENT_CAP = 500;
export type McpCaller = {
    id?: number;
    auth_attributes?: {
        business_id?: number;
        api_key_kind?: string;
        client_id?: string;
    };
};
export type SanitizedMcpCallLog = {
    client_id: string | null;
    user_id: number | null;
    business_id: number | null;
    kind: string;
    request: unknown;
};
export declare function sanitizeMcpCallLog(input: {
    headers?: Record<string, unknown>;
    request?: unknown;
    user?: McpCaller | null;
}): SanitizedMcpCallLog;
export declare function capResponseBody(body: unknown, cap?: number): {
    body?: unknown;
    truncated: boolean;
    bytes: number;
};
export declare function hashCompiledSql(sql: string): string;
export declare function capIntent(value: unknown): string | null;
export declare function extractIntent(payload: unknown): string | null;
export declare function clusterIntentsBySqlHash(rows: Array<{
    sql_hash?: string | null;
    intent?: string | null;
}>, limit?: number): Array<{
    sql_hash: string;
    count: number;
    intents: Array<{
        intent: string;
        count: number;
    }>;
}>;
export declare function catalogGapIntents(rows: Array<{
    intent?: string | null;
    error?: boolean;
}>, limit?: number): Array<{
    intent: string;
    count: number;
}>;
export declare function hottestQueryFamilies(rows: Array<{
    sql_hash: string;
    db_ms: number;
}>, limit?: number): Array<{
    sql_hash: string;
    count: number;
    p95_db_ms: number;
}>;
export declare function extractExplainCost(plan: unknown): number | null;
export declare const SanitizeMcpCallLog: {
    sanitizeMcpCallLog: typeof sanitizeMcpCallLog;
    capResponseBody: typeof capResponseBody;
    hashCompiledSql: typeof hashCompiledSql;
    hottestQueryFamilies: typeof hottestQueryFamilies;
    extractExplainCost: typeof extractExplainCost;
    capIntent: typeof capIntent;
    extractIntent: typeof extractIntent;
    clusterIntentsBySqlHash: typeof clusterIntentsBySqlHash;
    catalogGapIntents: typeof catalogGapIntents;
};