code: @Override
      public CreateApiKeyResult createApiKey(CreateApiKeyRequest request) {
          request = beforeClientExecution(request);
          return executeCreateApiKey(request);
      }
docs: <p>
  Creates a unique key that you can distribute to clients who are executing your API.
  </p>
  
  @param createApiKeyRequest
  @return Result of the CreateApiKey operation returned by the service.
  @throws BadRequestException
  The request is not well formed. For example, a value is invalid or a required field is missing. Check the
  field values, and then try again.
  @throws NotFoundException
  The resource specified in the request was not found. Check the resource, and then try again.
  @throws LimitExceededException
  The request exceeded a limit. Try your request again.
  @throws UnauthorizedException
  You are not authorized to perform this operation.
  @throws LimitExceededException
  The request exceeded a limit. Try your request again.
  @throws InternalFailureException
  An internal AWS AppSync error occurred. Try your request again.
  @throws ApiKeyLimitExceededException
  The API key exceeded a limit. Try your request again.
  @throws ApiKeyValidityOutOfBoundsException
  The API key expiration must be set to a value between 1 and 365 days from creation (for
  <code>CreateApiKey</code>) or from update (for <code>UpdateApiKey</code>).
  @sample AWSAppSync.CreateApiKey
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/appsync-2017-07-25/CreateApiKey" target="_top">AWS API
  Documentation</a>