export interface EmailTemplateType {
    type: 'EMAIL';
    input: {
        from: string;
        to: string;
        cc?: string;
        subject: string;
        text: string;
        html?: string;
        attachments?: ({
            filename: string;
            path: string;
        } | {
            filename: string;
            content: string;
            contentType: string;
            encoding: string;
        } | {
            href: string;
            filename: string;
        })[];
    };
}
export interface SMSTemplateType {
    type: 'TWILIO' | 'BULKGATE' | 'BUDGETSMS';
    input: {
        from: string;
        to: string;
        text: string;
    };
}
export interface ArbitraryTemplateType {
    type: string;
    input: any;
}
export type TemplateResolver<T = Record<string, any>> = (params: {
    template: string;
} & T, unchainedAPI: any) => Promise<(EmailTemplateType | SMSTemplateType | ArbitraryTemplateType)[]>;
export declare const MessagingDirector: {
    registerTemplate: (templateName: string, templateResolver: TemplateResolver) => void;
    getTemplate: (templateName: string) => TemplateResolver<Record<string, any>> | undefined;
    getRegisteredTemplates: () => string[];
};