import { HydratedItem } from '../../contexts/types';
import { Locale } from '../../types/Locale';
import { CuringData, CuringFormState, CuringFormStateKey } from '../../widgets/TaxbitCuringDocumentation/types';
export type CuringErrors = Partial<Record<CuringFormStateKey, string[]>>;
export type UseCuringStateProps = {
    /** Server-derived data passed in from `CuringPersist` after the status fetch. */
    serverData: CuringData;
    /** Initial locale; updated only if the host re-mounts with a new value. */
    language?: Locale;
    /** Threaded through to the chrome via `state.config.poweredByTaxbit`. */
    poweredByTaxbit?: boolean;
    /**
     * When true, threads `config.collectSignatureName = true` into descriptor
     * state so `signatureNameDescriptor` becomes visible + required on the
     * review screen. Callers who set this should also skip the previous-W-Form
     * fetch upstream (see `TaxbitCuringDocumentationPersist`) so the two
     * signature-name sources stay mutually exclusive.
     */
    collectSignatureName?: boolean;
    /**
     * Payload-agnostic submit callback — receives the raw form state and leaves
     * transport/serialisation to the caller (Stage 8's widget-internal
     * `useTaxbitCuring`). The uploaded file lives on `state.file`; uploads read
     * it from state rather than taking it as a separate arg, so the contract
     * scales to multi-file widgets without a signature change.
     */
    onSubmit?: (state: CuringFormState) => void | Promise<void>;
};
/**
 * Form-state engine for the curing widget. Holds `CuringFormState`, exposes
 * `setField` / `setFile` / `hideErrors` / `showErrors` write paths, computes
 * `derived.sptWeightedTotal`, walks the flat descriptor list into `items`
 * (hydrated `HydratedElement[]` for `ElementRenderer`), aggregates
 * `errors`, and wraps the host's `onSubmit` with `isSubmitting`. Mirrors
 * `useQuestionnaireState`'s public shape so the cognitive bridge is short.
 *
 * Payload-agnostic: `onSubmit(state)` hands the raw state out (file included,
 * on `state.file`) and lets the caller own the multipart build + POST
 * (Stage 8's widget-internal `useTaxbitCuring`).
 */
export declare const useCuringState: ({ serverData, language: initialLanguage, poweredByTaxbit, collectSignatureName, onSubmit, }: UseCuringStateProps) => {
    fields: CuringFormState;
    derived: {
        sptWeightedTotal: number;
    };
    serverData: CuringData;
    ui: {
        language: Locale;
        isShowingErrors: boolean;
        setValue: (key: CuringFormStateKey, value: string | undefined) => void;
        setFile: (key: CuringFormStateKey, file: File | null) => void;
        hideErrors: () => void;
        setLanguage: import('react').Dispatch<import('react').SetStateAction<Locale>>;
    };
    config: {
        poweredByTaxbit: boolean | undefined;
        collectSignatureName: boolean | undefined;
    };
    errors: Partial<Record<keyof CuringFormState, string[]>>;
    items: HydratedItem[];
    isValid: boolean;
    isShowingErrors: boolean;
    isSubmitting: boolean;
    onSubmit: () => Promise<void>;
};