import * as __aws_sdk_middleware_stack from "@aws-sdk/middleware-stack";
import * as __aws_sdk_types from "@aws-sdk/types";
import { InputTypesUnion } from "../types/InputTypesUnion";
import { OutputTypesUnion } from "../types/OutputTypesUnion";
import { ListEnvironmentsInput } from "../types/ListEnvironmentsInput";
import { ListEnvironmentsOutput } from "../types/ListEnvironmentsOutput";
import { Cloud9ResolvedConfiguration } from "../Cloud9Configuration";
export * from "../types/ListEnvironmentsInput";
export * from "../types/ListEnvironmentsOutput";
export * from "../types/ListEnvironmentsExceptionsUnion";
export declare class ListEnvironmentsCommand implements __aws_sdk_types.Command<InputTypesUnion, ListEnvironmentsInput, OutputTypesUnion, ListEnvironmentsOutput, Cloud9ResolvedConfiguration, Blob> {
    readonly input: ListEnvironmentsInput;
    readonly model: __aws_sdk_types.OperationModel;
    readonly middlewareStack: __aws_sdk_middleware_stack.MiddlewareStack<ListEnvironmentsInput, ListEnvironmentsOutput, Blob>;
    constructor(input: ListEnvironmentsInput);
    resolveMiddleware(clientStack: __aws_sdk_middleware_stack.MiddlewareStack<InputTypesUnion, OutputTypesUnion, Blob>, configuration: Cloud9ResolvedConfiguration): __aws_sdk_types.Handler<ListEnvironmentsInput, ListEnvironmentsOutput>;
}