Creates a ReqeustValidator of a given RestApi.
apigateway_create_request_validator(restApiId, name,
validateRequestBody, validateRequestParameters)[required] [Required] The string identifier of the associated RestApi.
The name of the to-be-created RequestValidator.
A Boolean flag to indicate whether to validate request body according to
the configured model schema for the method (true) or not (false).
A Boolean flag to indicate whether to validate request parameters,
true, or not false.
svc$create_request_validator( restApiId = "string", name = "string", validateRequestBody = TRUE|FALSE, validateRequestParameters = TRUE|FALSE )