过期时间早于当前时间.

错误的过期时间.

已重试次数超过最大.

成功.

未知状态.

Enum value maps for Code.

Enum value maps for Code.

BytesMessage 字节数组类型message，方便使用非pb进行数据传递.

BytesMessageValidationError is the validation error returned by BytesMessage.Validate if the designated constraints aren't met.

Expire 过期时间.

ExpireValidationError is the validation error returned by Expire.Validate if the designated constraints aren't met.

GrpcTargetValidationError is the validation error returned by GrpcTarget.Validate if the designated constraints aren't met.

HttpTargetValidationError is the validation error returned by HttpTarget.Validate if the designated constraints aren't met.

TargetValidationError is the validation error returned by Target.Validate if the designated constraints aren't met.