import type { IActivityHandler } from "../../IActivityHandler";
export interface CreateEmailAttachmentInputs {
    content: number[];
    contentType?: "application/json" | "application/octet-stream" | "application/pdf" | "application/xml" | "application/zip" | "image/jpeg" | "image/png" | "text/csv" | "text/html" | "text/plain" | string;
    filename: string;
}
/** Defines outputs from the CreateEmailAttachment activity. */
export interface CreateEmailAttachmentOutputs {
    /** @description The attachment object. This object should be passed to the Send Email activity. */
    result: object;
}
export declare class CreateEmailAttachment implements IActivityHandler {
    static readonly action = "gcx:wf:server::CreateEmailAttachment";
    static readonly suite = "gcx:wf:builtin";
    execute(inputs: CreateEmailAttachmentInputs): CreateEmailAttachmentOutputs;
}