ACMEError = object of LPError

proc base64UrlEncode(data: seq[byte]): string {....raises: [], tags: [].}

proc createCSR(domain: string): string {....raises: [ACMEError], tags: [].}

proc getResponseBody(response: HttpClientResponseRef): InternalRaisesFuture[
    JsonNode, (ACMEError, CancelledError)] {.stackTrace: false, ...raises: [],
    gcsafe, tags: [RootEffect].}

proc keyOrError(table: HttpTable; key: string): string {....raises: [ValueError],
    tags: [].}

proc thumbprint(key: KeyPair): string {....raises: [], tags: [].}