Struct DeprecationInfo 

pub struct DeprecationInfo {
    pub since: Option<String>,
    pub remove_in: Option<String>,
    pub message: Option<String>,
    pub replacement: Option<String>,
}

Deprecation metadata for spec features and capabilities.

Per SEP-2577 + SEP-2596, the spec now has a formal Active/Deprecated/ Removed lifecycle for features. Servers can attach this metadata to capability declarations so clients (and tooling like manifest.rs exporters or codegen) can surface deprecation warnings.

All fields are optional so the struct stays forward-compatible with future SEP-2596 extensions. Setting any field signals the parent feature is deprecated.

Fields

since: Option<String>

Protocol version in which this feature became deprecated (e.g. "2026-07-28").

remove_in: Option<String>

Protocol version in which this feature is scheduled for removal. Per SEP-2577, the minimum window after since is 12 months.

message: Option<String>

Human-readable explanation, e.g. why this feature was deprecated.

replacement: Option<String>

Pointer to the replacement feature or SEP, if any.

Trait Implementations

impl Clone for DeprecationInfo

fn clone(&self) -> DeprecationInfo

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for DeprecationInfo

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl Default for DeprecationInfo

fn default() -> DeprecationInfo

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for DeprecationInfo

fn deserialize<__D>( __deserializer: __D, ) -> Result<DeprecationInfo, <__D as Deserializer<'de>>::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Eq for DeprecationInfo

impl PartialEq for DeprecationInfo

fn eq(&self, other: &DeprecationInfo) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Serialize for DeprecationInfo

fn serialize<__S>( &self, __serializer: __S, ) -> Result<<__S as Serializer>::Ok, <__S as Serializer>::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for DeprecationInfo