export declare enum PixKeyType {
    CPF = "cpf",
    CNPJ = "cnpj",
    RANDOM = "random",
    EMAIL = "email",
    PHONE = "phone"
}
export interface PixKeyValidationResult {
    isValid: boolean;
    types: PixKeyType[];
}
declare const validate: (pixKey: string) => PixKeyType[];
declare const normalize: (pixKey: string, as?: PixKeyType | null) => string | null;
declare const format: (pixKey: string, as?: PixKeyType | null) => string | null;
export { validate, normalize, format };
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