import { ClientTaxDocumentation } from '@taxbit/utilities';
import { InputStep, Locale, Progress, QuestionnaireProp, QuestionnaireState } from 'types';
import { ExternalValidations } from 'types/client';
import { UsTinValidationAttempt } from '../../hooks/useUsTinValidation/useUsTinValidation';
import { Region } from '../../services/api';
import { AdaptiveMode } from '../../types/props';
import { DescriptorState } from '../types';
type InterviewConfig = {
    minimumAge: number;
};
export type DateFormatConfig = 'dmy' | 'mdy' | 'ymd';
export type UseQuestionnaireStateProps = {
    data?: ClientTaxDocumentation;
    language?: Locale;
    externalValidations?: ExternalValidations;
    /**
     * Called on submit with the full `DescriptorState` (the same shape the
     * descriptors receive) and, separately, any collected files keyed by field.
     * The engine is payload-agnostic: it hands state out untransformed, and the
     * supplying wrapper owns the outbound transform (e.g. `transformForSignedClient`,
     * which reads `state.fields` + `state.config.questionnaire`) plus its side
     * effect (POST / hand-off). A flow with a different endpoint plugs in its own
     * transform here. Files are held in state (not in the JSON document); the
     * `files` arg is always present (empty when no file fields).
     */
    onSubmit?: (state: DescriptorState, files: Record<string, File>) => void | Promise<void>;
    onProgress?: (progress: Progress) => void | Promise<void>;
    step?: InputStep;
    questionnaire: QuestionnaireProp;
    config?: InterviewConfig;
    treatyClaims?: boolean;
    dateFormat?: DateFormatConfig;
    realTimeTinValidation?: boolean;
    staging?: boolean;
    bearerToken?: string;
    region?: Region;
    proxyDomain?: string;
    proxyHeaders?: Record<string, string>;
    adaptiveMode?: AdaptiveMode;
    poweredByTaxbit?: boolean;
};
export declare const useQuestionnaireState: ({ data: startingData, language: initialLanguage, externalValidations, onSubmit, onProgress, step: initialStep, questionnaire, config, treatyClaims, dateFormat, realTimeTinValidation, staging, bearerToken, region, proxyDomain, proxyHeaders, adaptiveMode, poweredByTaxbit, }: UseQuestionnaireStateProps) => {
    fields: QuestionnaireState;
    ui: {
        language: Locale;
        isEditing: boolean;
        isSubmitting: boolean;
        setLanguage: (lang: Locale) => void;
        setIsEditing: import('react').Dispatch<import('react').SetStateAction<boolean>>;
        goTo: (inputStep: InputStep) => void;
    };
    config: {
        questionnaire: QuestionnaireProp;
        treatyClaims: boolean;
        realTimeTinValidation: boolean;
        dateFormat: DateFormatConfig;
        minimumAge: number;
        adaptiveMode: AdaptiveMode | undefined;
        poweredByTaxbit: boolean | undefined;
        data: ClientTaxDocumentation;
    };
    server: {
        externalValidations: ExternalValidations | undefined;
        usTinValidations: UsTinValidationAttempt[];
    };
    stepName: "AccountHolderCertifications" | "AccountHolderClassification" | "AccountHolderContact" | "AccountHolderTax" | "AccountHolderTaxResidenciesConfirmation" | "AccountHolderAdditionalInfo" | "AccountHolderTreatyClaims" | "AccountHolderUsTinValidation" | "ControllingPersonDetails1" | "ControllingPersonDetails2" | "ControllingPersonDetails3" | "ControllingPersonDetails4" | "ControllingPersonDetails5" | "ControllingPerson1TaxResidenciesConfirmation" | "ControllingPerson2TaxResidenciesConfirmation" | "ControllingPerson3TaxResidenciesConfirmation" | "ControllingPerson4TaxResidenciesConfirmation" | "ControllingPerson5TaxResidenciesConfirmation" | "Exemptions" | "RegardedOwnerCertifications" | "RegardedOwnerContact" | "RegardedOwnerTax" | "RegardedOwnerTreatyClaims" | "RegardedOwnerUsTinValidation" | "StandaloneResidencies" | "Summary";
    onBack: (() => void) | undefined;
    onPersist: (newData: QuestionnaireState) => void;
    onSubmit: (data: QuestionnaireState) => Promise<void>;
    doValidateUsTin: (name: string, usTin: string) => Promise<void>;
    incrementValidationAttempt: (name: string, usTin: string) => void;
    isValidatingUsTin: boolean;
};
export {};