code: func (c *ACMPCA) ListCertificateAuthorities(input *ListCertificateAuthoritiesInput) (*ListCertificateAuthoritiesOutput, error) {
  	req, out := c.ListCertificateAuthoritiesRequest(input)
  	return out, req.Send()
  }
docs: // ListCertificateAuthorities API operation for AWS Certificate Manager Private Certificate Authority.
  //
  // Lists the private certificate authorities that you created by using the CreateCertificateAuthority
  // operation.
  //
  // Returns awserr.Error for service API and SDK errors. Use runtime type assertions
  // with awserr.Error's Code and Message methods to get detailed information about
  // the error.
  //
  // See the AWS API reference guide for AWS Certificate Manager Private Certificate Authority's
  // API operation ListCertificateAuthorities for usage and error information.
  //
  // Returned Error Codes:
  //   * ErrCodeInvalidNextTokenException "InvalidNextTokenException"
  //   The token specified in the NextToken argument is not valid. Use the token
  //   returned from your previous call to ListCertificateAuthorities.
  //
  // See also, https://docs.aws.amazon.com/goto/WebAPI/acm-pca-2017-08-22/ListCertificateAuthorities