import { PipeTransform } from '@angular/core';
import { VariableSummary } from '@mtna/variable-service-core-ts';
import * as i0 from "@angular/core";
/**
 * Determines whether visible variables in the table are selected.
 * If `all` values should meet condition, determines if all values pass.
 * If `onlySome` values should meet condition, determines if at least 1, but not all values pass.
 */
export declare class IsSelectedPipe implements PipeTransform {
    transform(length: number | null | undefined, valuesToCheck: 'all' | 'onlySome', variables: VariableSummary[] | null | undefined, toggledAreSelected: boolean, toggledUris: {
        [uri: string]: boolean;
    }): boolean;
    static ɵfac: i0.ɵɵFactoryDeclaration<IsSelectedPipe, never>;
    static ɵpipe: i0.ɵɵPipeDeclaration<IsSelectedPipe, "isSelected">;
}