import { Region } from '../../services/api.ts';
export type UsTinValidationStatus = 'invalidTin' | 'validTin' | 'pendingTin';
export type UsTinValidationAttempt = {
    name: string | undefined;
    usTin: string | undefined;
    status: UsTinValidationStatus;
    attemptCount: number;
};
export type UsTinServerStatus = 'PENDING' | 'FOREIGN' | 'INVALID_DATA' | 'VALID_SSN_MATCH' | 'VALID_EIN_MATCH' | 'VALID_SSN_EIN_MATCH' | 'MISMATCH' | 'TIN_NOT_ISSUED' | 'ERROR';
export declare const MAX_US_TIN_VALIDATION_ATTEMPTS = 3;
type UseUsTinValidationProps = {
    bearerToken?: string;
    isEnabled?: boolean;
    staging?: boolean;
    region?: Region;
    proxyDomain?: string;
    proxyHeaders?: Record<string, string>;
};
type ValidationResult = {
    id: string;
    legal_name: string;
    tin: string;
    status: UsTinServerStatus;
    validation_date: string;
};
export declare const normalizeStatus: (status: ValidationResult["status"]) => UsTinValidationStatus;
export declare const fetchDemoStatus: (usTin: string) => Promise<UsTinValidationStatus>;
export declare const findDuplicateAttempt: (attempts: UsTinValidationAttempt[], name: string, usTin: string) => UsTinValidationAttempt | undefined;
export type ValidationAction = {
    type: 'skip';
} | {
    type: 'increment';
} | {
    type: 'cache';
    status: UsTinValidationStatus;
} | {
    type: 'fetch';
};
export declare const resolveValidationAction: (isEnabled: boolean | undefined, attempts: UsTinValidationAttempt[], name: string, usTin: string) => ValidationAction;
export declare const useUsTinValidation: ({ bearerToken, isEnabled, staging, region, proxyDomain, proxyHeaders, }: UseUsTinValidationProps) => {
    doValidateUsTin: (name: string, usTin: string) => Promise<void>;
    isValidatingUsTin: boolean;
    usTinValidations: UsTinValidationAttempt[];
    incrementValidationAttempt: (name: string, usTin: string) => void;
};
export {};