import { PipeTransform } from '@angular/core';
import { Variable } from '@mtna/pojo-consumer-ts';
import { VariableSummary } from '@mtna/variable-service-core-ts';
import * as i0 from "@angular/core";
import * as i1 from "@angular/common";
/**
 * Filters Variables down to those that have a classification.
 */
export declare class IsClassifiedPipe implements PipeTransform {
    transform(variables: Array<Variable | VariableSummary> | null): Array<Variable | VariableSummary>;
    static ɵfac: i0.ɵɵFactoryDeclaration<IsClassifiedPipe, never>;
    static ɵpipe: i0.ɵɵPipeDeclaration<IsClassifiedPipe, "rdsIsClassified">;
}
export declare class RdsIsClassifiedPipeModule {
    static ɵfac: i0.ɵɵFactoryDeclaration<RdsIsClassifiedPipeModule, never>;
    static ɵmod: i0.ɵɵNgModuleDeclaration<RdsIsClassifiedPipeModule, [typeof IsClassifiedPipe], [typeof i1.CommonModule], [typeof IsClassifiedPipe]>;
    static ɵinj: i0.ɵɵInjectorDeclaration<RdsIsClassifiedPipeModule>;
}