export default class Emailservice {
    private static instance;
    private adapters;
    private constructor();
    static getService(): Emailservice;
    sendEmail(emailRequest: EmailRequest, emailProvider?: EmailProvider): Promise<EmailResponse>;
}
export interface EmailServiceAdapter {
    sendEmail(emailRequest: EmailRequest): Promise<EmailResponse>;
    getProvider(): string;
}
export declare class SendGridServiceAdapter implements EmailServiceAdapter {
    private static instance;
    private constructor();
    static getAdapter(): SendGridServiceAdapter;
    sendEmail(emailRequest: EmailRequest): Promise<EmailResponse>;
    getProvider(): string;
}
export interface EmailRequest {
    from: string;
    to: string[];
    templateId?: string;
    subject?: string;
    text?: string;
    html?: string;
    params?: any;
    replyTo?: string;
    attachments?: any;
}
export declare class EmailResponse {
    status: EmailStatus;
    message: string;
}
export declare enum EmailStatus {
    OK = "OK",
    FAILED = "FAILED",
    PENDING = "PENDING"
}
export declare type EmailProvider = 'string';