declare module 'express-session' {
  export interface SessionData {
      formErrors: FormError[],
      error: fieldError,
      addresses: Address[],
      postCodeNotCovered: boolean,
      selectedAddress: Address,
      paymentData: PaymentData
  }
}

export type FormError = {
  errorMessage: string
  field: string
  value: string
  page: string
}

export type Address = {
  UPRN: string
  AddressLine1: string
  AddressLine2: string
  AddressLine3: string
  Town: string
  County: string
  Postcode: string
}

interface fieldError {  [key: string] : { text: string } }

interface CustomError extends Error {
  status?: number;
  response?: {
      status?: number;
  };
}