import { DataFilterCondition, IDataQueryFilter } from '../interfaces';
export type DataQueryAttributeType = 'DATA_ELEMENT' | 'TRACKED_ENTITY_ATTRIBUTE';
export declare class DataQueryFilter implements IDataQueryFilter {
    attribute: string;
    condition: DataFilterCondition;
    value: string | string[];
    attributeType: DataQueryAttributeType;
    programStage: string;
    setAttribute(attribute: string): DataQueryFilter;
    setCondition(condition: DataFilterCondition): DataQueryFilter;
    setValue(value: string | string[]): DataQueryFilter;
    setType(type: DataQueryAttributeType): DataQueryFilter;
    setProgramStage(programStage: string): DataQueryFilter;
    static getApiFilters(filters: DataQueryFilter[], filterKey?: string): string;
    toApiFilters(filterKey?: string): string;
    private _getApiFilterValue;
}