import type { IActivityHandler, EmptyOutputs } from "../../IActivityHandler";
export interface SendEmailInputs {
    to: string | string[];
    from: string;
    cc: string | string[];
    bcc: string | string[];
    subject: string;
    body: string;
    attachments: object | object[];
    isBodyHtml: boolean;
}
export declare class SendEmail implements IActivityHandler {
    static readonly action = "gcx:wf:server::SendEmail";
    static readonly suite = "gcx:wf:builtin";
    execute(inputs: SendEmailInputs): EmptyOutputs;
}