export declare const LEAD_SOURCE_TYPE: {
    readonly MANUAL: "manual";
    readonly API: "api";
    readonly CSV_IMPORT: "csv_import";
    readonly EXCEL_IMPORT: "excel_import";
    readonly WEBSITE_FORM: "website_form";
    readonly FACEBOOK: "facebook";
    readonly ZALO: "zalo";
    readonly GOOGLE_ADS: "google_ads";
    readonly REFERRAL: "referral";
    readonly COLD_CALL: "cold_call";
    readonly OTHER: "other";
};
export type LeadSourceType = string;
export declare class KanbanLeadSource {
    id: string;
    name: string;
    type: string;
    description: string;
    isActive: boolean;
    createdAt: Date;
    updatedAt: Date;
}