known

const (
	// XRequestID 用来定义上下文中的键，代表请求 ID.
	XRequestID = "x-request-id"

	// XUserID 用来定义上下文的键，代表请求用户 ID. UserID 整个用户生命周期唯一.
	XUserID = "x-user-id"
)

const (
	// Admin 用户名.
	AdminUsername = "root"

	MaxErrGroupConcurrency = 1000
)

const (
	// Role for regular users.
	RoleUser = "role::user"
	// Role for administrators.
	RoleAdmin = "role::admin"
)