import { LookupValueEntity, SourceColumnDto } from '@servicelabsco/nestjs-utility-services';
export declare class UtilityService {
    getLookupValues(lookupTypeId: number): Promise<LookupValueEntity[]>;
    static getSourceData(source: SourceColumnDto): Promise<any>;
    static removeDuplicates<T>(array: T[], keys: (keyof T)[]): T[];
}