import { PipeTransform } from "@angular/core";
import { Option } from "../interfaces/option.interface";
import { OptionGroup } from "../interfaces/optionGroup.interface";
import { SelectService } from "../services/select.service";
import * as i0 from "@angular/core";
export declare class FilterOptionsPipe implements PipeTransform {
    service: SelectService;
    constructor(service: SelectService);
    transform(options: Option[] | OptionGroup[], inputValue: string): Array<any>;
    private filterOptions;
    static ɵfac: i0.ɵɵFactoryDeclaration<FilterOptionsPipe, never>;
    static ɵpipe: i0.ɵɵPipeDeclaration<FilterOptionsPipe, "filterOptions">;
}
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