export declare type Filter = {
    key: string;
    value: string | {
        $ne?: string;
        $eq?: string;
        $gt?: string;
        $lt?: string;
        $gte?: string;
        $lte?: string;
    };
};
export declare class Datasource {
    url: string;
    type: string;
    tenant: string;
    transform: string;
    fields?: string[];
    filters?: Filter[];
    projectionList?: string;
}