/**
 * @fileoverview Initializes and exports a singleton Supabase client instance.
 * This module ensures that the Supabase client is initialized once and shared
 * across the application, using credentials from the central configuration.
 * It handles both the standard client and the admin client (using the service role key).
 *
 * @module src/services/supabase/supabaseClient
 */
import { SupabaseClient } from "@supabase/supabase-js";
type Database = Record<string, unknown>;
/**
 * Returns the singleton Supabase client instance.
 * Throws an McpError if the client is not initialized.
 * @returns The Supabase client.
 */
export declare const getSupabaseClient: () => SupabaseClient<Database>;
/**
 * Returns the singleton Supabase admin client instance.
 * This client uses the service role key and bypasses RLS.
 * Throws an McpError if the admin client is not initialized.
 * @returns The Supabase admin client.
 */
export declare const getSupabaseAdminClient: () => SupabaseClient<Database>;
export {};