static NSString *const SentryEnvelopeItemTypeEvent = @"event";
static NSString *const SentryEnvelopeItemTypeSession = @"session";
static NSString *const SentryEnvelopeItemTypeUserFeedback = @"user_report";
static NSString *const SentryEnvelopeItemTypeTransaction = @"transaction";
static NSString *const SentryEnvelopeItemTypeAttachment = @"attachment";
