/**
 * MySQL integration client implementation.
 *
 * Executes MySQL queries through the Superblocks orchestrator with
 * runtime validation using Zod schemas.
 */
import type { z } from "zod";
import type { QueryExecutor, TraceMetadata } from "../registry.js";
import type { IntegrationConfig, IntegrationClientImpl } from "../types.js";
import type { MySQLClient } from "./types.js";
/**
 * Internal implementation of the MySQL client.
 */
export declare class MySQLClientImpl implements MySQLClient, IntegrationClientImpl {
    readonly config: IntegrationConfig;
    private readonly executeQuery;
    constructor(config: IntegrationConfig, executeQuery: QueryExecutor);
    get name(): string;
    get pluginId(): string;
    /**
     * Builds a MySQL request object from SQL and parameters.
     *
     * When params are provided, the SQL body is sent with placeholders intact
     * (e.g. ?) and the parameter values are passed via the `parameters` field
     * as a JSON-stringified array for server-side binding.
     *
     * @param sql - The SQL query with optional ? placeholders
     * @param params - Optional array of parameter values for server-side binding
     * @returns The plugin request object
     */
    private buildRequest;
    query<T>(sql: string, schema: z.ZodSchema<T>, params?: unknown[], metadata?: TraceMetadata): Promise<T[]>;
    execute(sql: string, params?: unknown[], metadata?: TraceMetadata): Promise<{
        rowCount: number;
    }>;
}
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