DefaultOptions returns the default options.

NewUploader creates a new callback Uploader.

WithCallbackURL sets the callback URL.

WithHTTPTimeout sets the HTTP timeout.

WithLogger sets the logger.

WithLRUCacheSize sets the LRU cache size.

Options holds optional parameters for the Uploader.

Request is the struct that holds the data to be sent in the POST request.

Uploader uploads the callback messages to the callback endpoint.

OptionFunc is a function that applies an option to the Uploader.