/**
 * Thread SQL conversion codecs for LibSQL.
 *
 * Uses ? placeholders instead of PostgreSQL's $1, $2, etc.
 */
import type { ThreadFilter, ThreadUpdate, SortOrder } from "kernl";
import type { Codec } from "@kernl-sdk/shared/lib";
import { type SQLClause } from "../sql.js";
export interface WhereInput {
    filter?: ThreadFilter;
}
/**
 * Encode ThreadFilter to SQL WHERE clause with ? placeholders.
 */
export declare const SQL_WHERE: Codec<WhereInput, SQLClause>;
export interface OrderInput {
    order?: {
        createdAt?: SortOrder;
        updatedAt?: SortOrder;
    };
}
/**
 * Encode order options to SQL ORDER BY clause.
 */
export declare const SQL_ORDER: Codec<OrderInput, string>;
export interface UpdateInput {
    patch: ThreadUpdate;
}
/**
 * Encode ThreadUpdate to SQL SET clause with ? placeholders.
 */
export declare const SQL_UPDATE: Codec<UpdateInput, SQLClause>;
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