/// <reference types="node" />
import * as __aws_sdk_middleware_stack from "@aws-sdk/middleware-stack";
import * as __aws_sdk_types from "@aws-sdk/types";
import * as _stream from "stream";
import { InputTypesUnion } from "../types/InputTypesUnion";
import { OutputTypesUnion } from "../types/OutputTypesUnion";
import { UpdateChapCredentialsInput } from "../types/UpdateChapCredentialsInput";
import { UpdateChapCredentialsOutput } from "../types/UpdateChapCredentialsOutput";
import { StorageGatewayResolvedConfiguration } from "../StorageGatewayConfiguration";
export * from "../types/UpdateChapCredentialsInput";
export * from "../types/UpdateChapCredentialsOutput";
export * from "../types/UpdateChapCredentialsExceptionsUnion";
export declare class UpdateChapCredentialsCommand implements __aws_sdk_types.Command<InputTypesUnion, UpdateChapCredentialsInput, OutputTypesUnion, UpdateChapCredentialsOutput, StorageGatewayResolvedConfiguration, _stream.Readable> {
    readonly input: UpdateChapCredentialsInput;
    readonly model: __aws_sdk_types.OperationModel;
    readonly middlewareStack: __aws_sdk_middleware_stack.MiddlewareStack<UpdateChapCredentialsInput, UpdateChapCredentialsOutput, _stream.Readable>;
    constructor(input: UpdateChapCredentialsInput);
    resolveMiddleware(clientStack: __aws_sdk_middleware_stack.MiddlewareStack<InputTypesUnion, OutputTypesUnion, _stream.Readable>, configuration: StorageGatewayResolvedConfiguration): __aws_sdk_types.Handler<UpdateChapCredentialsInput, UpdateChapCredentialsOutput>;
}