import { type WaiterConfiguration, type WaiterResult } from "@smithy/util-waiter";
import { type DescribeNatGatewaysCommandInput, type DescribeNatGatewaysCommandOutput } from "../commands/DescribeNatGatewaysCommand";
import type { EC2Client } from "../EC2Client";
import type { EC2ServiceException } from "../models/EC2ServiceException";
/**
 *
 *  @deprecated Use waitUntilNatGatewayAvailable instead. waitForNatGatewayAvailable does not throw error in non-success cases.
 */
export declare const waitForNatGatewayAvailable: (params: WaiterConfiguration<EC2Client>, input: DescribeNatGatewaysCommandInput) => Promise<WaiterResult<DescribeNatGatewaysCommandOutput | EC2ServiceException>>;
/**
 *
 *  @param params - Waiter configuration options.
 *  @param input - The input to DescribeNatGatewaysCommand for polling.
 */
export declare const waitUntilNatGatewayAvailable: (params: WaiterConfiguration<EC2Client>, input: DescribeNatGatewaysCommandInput) => Promise<WaiterResult<DescribeNatGatewaysCommandOutput>>;