import { Form, ThingInteraction } from "./thing-description";
import { Readable } from "stream";
import { ReadableStream as PolyfillStream } from "web-streams-polyfill";
import { ActionElement, EventElement, PropertyElement } from "wot-thing-description-types";
export interface IManagedStream {
    nodeStream: Readable;
    wotStream: ReadableStream;
}
export default class ProtocolHelpers {
    static updatePropertyFormWithTemplate(form: Form, property: PropertyElement): void;
    static updateActionFormWithTemplate(form: Form, action: ActionElement): void;
    static updateEventFormWithTemplate(form: Form, event: EventElement): void;
    static getPropertyContentType(td: WoT.ThingDescription, propertyName: string, uriScheme: string): string | undefined;
    static getActionContentType(td: WoT.ThingDescription, actionName: string, uriScheme: string): string | undefined;
    static getEventContentType(td: WoT.ThingDescription, eventName: string, uriScheme: string): string | undefined;
    static toWoTStream(stream: NodeJS.ReadableStream): ReadableStream | PolyfillStream;
    static toNodeStream(stream: ReadableStream | PolyfillStream | IManagedStream | Readable): Readable;
    static readStreamFully(stream: NodeJS.ReadableStream): Promise<Buffer>;
    static findRequestMatchingFormIndex(forms: Form[] | undefined, uriScheme: string, requestUrl: string | undefined, contentType?: string): number;
    static getFormIndexForOperation(interaction: ThingInteraction, type: "property" | "action" | "event", operationName?: "writeproperty" | "readproperty" | "invokeaction" | "subscribeevent" | "unsubscribeevent" | "unobserveproperty" | "observeproperty" | "readallproperties" | "readmultipleproperties", formIndex?: number): number;
    static getPropertyOpValues(property: PropertyElement): string[];
}