code: func CipherSuiteMapping(cipherSuites []string) ([]uint16, error) {
  	out := make([]uint16, 0, len(cipherSuites))
  
  	for _, cs := range cipherSuites {
  		c, ok := cipherSuiteMapping[cs]
  		if !ok {
  			return nil, trace.BadParameter("cipher suite not supported: %v", cs)
  		}
  
  		out = append(out, c)
  	}
  
  	return out, nil
  }
docs: // CipherSuiteMapping transforms Teleport formatted cipher suites strings
  // into uint16 IDs.