declare module 'dbus-next' {
    import { EventEmitter } from "events";

    export type ObjectPath = string;
    export type PropertyAccess = "read" | "write" | "readwrite";

    export enum MessageType {
        METHOD_CALL,
        METHOD_RETURN,
        ERROR,
        SIGNAL,
    }

    export enum MessageFlag {
        NO_REPLY_EXPECTED,
        NO_AUTO_START,
    }


    export namespace interface {
        export const ACCESS_READ = 'read';
        export const ACCESS_WRITE = 'write';
        export const ACCESS_READWRITE = 'readwrite';

        export interface PropertyOptions {
            signature: string;
            access?: PropertyAccess;
            name?: string;
            disabled?: boolean;
        }
        export interface MethodOptions {
            inSignature?: string;
            outSignature?: string;
            name?: string;
            disabled?: boolean;
            noReply?: boolean;
        }
        export interface SignalOptions {
            signature: string;
            name?: string;
            disabled?: boolean;
        }

        export class Interface extends EventEmitter {
            constructor(name: string);
            static configureMembers(members: { properties?: { [key: string]: PropertyOptions }, methods?: { [key: string]: MethodOptions }, signals?: { [key: string]: SignalOptions } }): void;
            static emitPropertiesChanged(interface: Interface, changedProperties: { [key: string]: any }, invalidatedProperties: string[]): void
        }
        export function property(opts: PropertyOptions): PropertyDecorator;
        export function method(opts: MethodOptions): MethodDecorator;
        export function signal(opts: SignalOptions): MethodDecorator;
    }
    export class Variant<T = any> {
        signature: string;
        value: T;
        constructor();
        constructor(signatur: string, value: T);
    }
    export class DBusError extends Error {
        type: string;
        text: string;
        reply?: any;
        constructor(type: string, text: string, reply?: any);
    }

    export interface MessageLike {
        type?: MessageType;
        serial?: number | null;
        path?: string;
        interface?: string;
        member?: string;
        errorName?: string;
        replySerial?: string;
        destination?: string;
        sender?: string;
        signature?: string;
        body?: any[];
        flags?: MessageFlag;
    }
    export class Message {
        type: MessageType;
        serial: number | null;
        path: string;
        interface: string;
        member: string;
        errorName: string;
        replySerial: string;
        destination: string;
        sender: string;
        signature: string;
        body: any[];
        flags: MessageFlag;

        constructor(msg: MessageLike);
        static newError(msg: string, errorName: string, errorText?: string): Message;
        static newMethodReturn(msg: Message, signature?: string, body?: any[]): Message;
        static newSignal(path: string, iface: string, name: string, signature?: string, body?: any[]): Message;
    }

    export class NameFlag {
        static ALLOW_REPLACEMENT: number;
        static REPLACE_EXISTING: number;
        static DO_NOT_QUEUE: number;
    }

    export class RequestNameReply {
        static PRIMARY_OWNER: number;
        static IN_QUEUE: number;
        static EXISTS: number;
        static ALREADY_OWNER: number;
    }

    export class MessageBus extends EventEmitter {
        getProxyObject(name: string, path: string, xml?: string): Promise<ProxyObject>;
        disconnect(): void;

        export(path: ObjectPath, interface: interface.Interface): void;
        unexport(path: ObjectPath, interface: interface.Interface): void;

        requestName(name: string, flags: number): Promise<number>;
        releaseName(name: string): Promise<number>;

        newSerial(): number;
        addMethodHandler(handler: Function): void;
        removeMethodHandler(handler: Function): void;
        call(msg: Message): Promise<Message | null>;
        send(msg: Message): void;

        on(event: 'connect', listener: () => void): this;
        on(event: 'message', listener: (msg: Message) => void): this
        on(event: 'error', listener: (err: any) => void): this
    }
    export interface ProxyObject {
        bus: MessageBus;
        readonly name: string;
        readonly path: ObjectPath;
        nodes: ObjectPath[];
        interfaces: { [name: string]: ClientInterface };

        getInterface(name: string): ClientInterface;
        getInterface<T extends ClientInterface>(name: string): T;
    }
    export interface ClientInterface extends EventEmitter {
        [name: string]: Function;
    }

    export type AuthMethod = 'EXTERNAL' | 'DBUS_COOKIE_SHA1' | 'ANONYMOUS';

    export interface SystemBusOptions {
        negotiateUnixFd?: boolean;
    }

    export interface SessionBusOptions {
        authMethods?: AuthMethod[];
        busAddress?: string;
    }

    export function setBigIntCompat(state: boolean): void;
    export function systemBus(options?: SystemBusOptions): MessageBus;
    export function sessionBus(options?: SessionBusOptions): MessageBus;
}