class WebhookError extends Errorimport { WebhookError } from "https://dotland.deno.dev/x/slack_web_api_client@0.13.1/index.ts"; ConstructorsnewWebhookError(status: number,body: string,cause?: Error | undefined,)Propertiesbody: stringoptionalcause: Errorstatus: numberConstructorsnewWebhookError(status: number,body: string,cause?: Error | undefined,)Propertiesbody: stringoptionalcause: Errorstatus: numberimport WebhookErrorimport { WebhookError } from "https://dotland.deno.dev/x/slack_web_api_client@0.13.1/index.ts";