pub const UNLEASH_APPNAME_HEADER: &str = "UNLEASH-APPNAME";
pub const UNLEASH_INSTANCE_ID_HEADER: &str = "UNLEASH-INSTANCEID";
pub const UNLEASH_CONNECTION_ID_HEADER: &str = "UNLEASH-CONNECTION-ID";
pub const UNLEASH_CLIENT_SPEC_HEADER: &str = "Unleash-Client-Spec";
pub const UNLEASH_INTERVAL: &str = "Unleash-Interval";