import { ElementRef } from '@angular/core';
import { Subject } from 'rxjs';
import VuiResponse from './vui-response';
export declare class VuiVoiceRecognitionService {
    response: Subject<VuiResponse>;
    inputRefs: Array<ElementRef>;
    currentRef: number;
    isInputSwitch(speechKeys: any[], inputType: string): boolean;
    findInstructionType(speechText: string, inputType: string): string;
    interpretSpeech(speechText: string, inputType: string): string | number | any[];
    dateParser(dateStr: string): Date;
    dateBuilder(datePartObj: any): string;
    /**
     *
     * @param datePart Incomplete date part eg, '21st' is the date part for the date '21st July 2020'
     * @param datePartObj // Inherited from caller & updated with parsed object. Can be year, month or date
     */
    parseDatePart(datePart: string, datePartObj: any): any;
    isDateType(datePart: string): boolean;
    parseDateVal(datePart: any, datePartObj: any): void;
    isMonthType(datePart: any): boolean;
    parseMonthVal(datePart: any, datePartObj: any): void;
    isYearType(datePart: any): boolean;
    parseYearVal(datePart: any, datePartObj: any): void;
    wordsToNumber(word: any): number;
    parseColloquialWords(wordsArr: any): any;
    eliminateString(word: any): any;
}