export interface HoneypotInputProps {
  nameFieldName: string;
  validFromFieldName: string | null;
  encryptedValidFrom: string;
}
export interface HonetpotConfig {
  randomizeNameFieldName?: boolean;
  nameFieldName?: string;
  validFromFieldName?: string | null;
  encryptionSeed?: string;
}
export declare class SpamError extends Error {}
export declare class Honeypot {
  protected config: HonetpotConfig;
  private generatedEncryptionSeed;
  constructor(config?: HonetpotConfig);
  getInputProps({
    validFromTimestamp,
  }?: {
    validFromTimestamp?: number | undefined;
  }): HoneypotInputProps;
  check(formData: FormData): void;
  protected get nameFieldName(): string;
  protected get validFromFieldName(): string | null;
  protected get encryptionSeed(): string;
  protected getRandomizedNameFieldName(
    nameFieldName: string,
    formData: FormData
  ): string | undefined;
  protected shouldCheckHoneypot(
    formData: FormData,
    nameFieldName: string
  ): boolean;
  protected randomValue(): string;
  protected encrypt(value: string): string;
  protected decrypt(value: string): string;
  protected isFuture(timestamp: number): boolean;
  protected isValidTimeStamp(timestampp: number): boolean;
}