/// <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 { DescribeKeyInput } from '../types/DescribeKeyInput';
import { DescribeKeyOutput } from '../types/DescribeKeyOutput';
import { KMSResolvedConfiguration } from '../KMSConfiguration';
export * from '../types/DescribeKeyInput';
export * from '../types/DescribeKeyOutput';
export * from '../types/DescribeKeyExceptionsUnion';
export declare class DescribeKeyCommand implements __aws_sdk_types.Command<InputTypesUnion, DescribeKeyInput, OutputTypesUnion, DescribeKeyOutput, KMSResolvedConfiguration, _stream.Readable> {
    readonly input: DescribeKeyInput;
    readonly middlewareStack: __aws_sdk_middleware_stack.MiddlewareStack<DescribeKeyInput, DescribeKeyOutput, _stream.Readable>;
    constructor(input: DescribeKeyInput);
    resolveMiddleware(clientStack: __aws_sdk_middleware_stack.MiddlewareStack<InputTypesUnion, OutputTypesUnion, _stream.Readable>, configuration: KMSResolvedConfiguration): __aws_sdk_types.Handler<DescribeKeyInput, DescribeKeyOutput>;
}