Remove deprecated code

Author: flobernd

compiler/src/model/metamodel.ts

@@ -126,11 +126,9 @@ export class Property {
   description?: string
   docUrl?: string
   docId?: string
-  since?: string
   serverDefault?: boolean | string | number | string[] | number[]
   deprecation?: Deprecation
   availability?: Availabilities
-  stability?: Stability
   /**
    * If specified takes precedence over `name` when generating code. `name` is always the value
    * to be sent over the wire
@@ -237,7 +235,7 @@ export class Interface extends BaseType {
    */
   generics?: TypeName[]
   inherits?: Inherits
-  implements?: Inherits[]
+  implements?: Inherits[] // Unused!
 
   /**
    * Behaviors directly implemented by this interface
@@ -344,7 +342,6 @@ export class EnumMember {
   codegenName?: string
   description?: string
   deprecation?: Deprecation
-  since?: string
   availability?: Availabilities
 }
 
@@ -429,14 +426,6 @@ export class Endpoint {
 
   urls: UrlTemplate[]
 
-  /**
-   * The version when this endpoint reached its current stability level.
-   * Missing data means "forever", i.e. before any of the target client versions produced from this spec.
-   */
-  since?: string
-  stability?: Stability
-  visibility?: Visibility
-  featureFlag?: string
   requestMediaType?: string[]
   responseMediaType?: string[]
   privileges?: {

compiler/src/model/utils.ts

@@ -695,22 +695,6 @@ export function hoistRequestAnnotations (
       // Apply the availabilities to the Endpoint.
       for (const [availabilityName, availabilityValue] of Object.entries(availabilities)) {
         endpoint.availability[availabilityName] = availabilityValue
-
-        // Backfilling deprecated fields on an endpoint.
-        if (availabilityName === 'stack') {
-          if (availabilityValue.since !== undefined) {
-            endpoint.since = availabilityValue.since
-          }
-          if (availabilityValue.stability !== undefined) {
-            endpoint.stability = availabilityValue.stability
-          }
-          if (availabilityValue.visibility !== undefined) {
-            endpoint.visibility = availabilityValue.visibility
-          }
-          if (availabilityValue.featureFlag !== undefined) {
-            endpoint.featureFlag = availabilityValue.featureFlag
-          }
-        }
       }
     } else {
       assert(jsDocs, false, `Unhandled tag: '${tag}' with value: '${value}' on request ${request.name.name}`)
@@ -813,16 +797,6 @@ function hoistPropertyAnnotations (property: model.Property, jsDocs: JSDoc[]): v
       property.availability = {}
       for (const [availabilityName, availabilityValue] of Object.entries(availabilities)) {
         property.availability[availabilityName] = availabilityValue
-
-        // Backfilling deprecated fields on a property.
-        if (availabilityName === 'stack') {
-          if (availabilityValue.since !== undefined) {
-            property.since = availabilityValue.since
-          }
-          if (availabilityValue.stability !== undefined) {
-            property.stability = availabilityValue.stability
-          }
-        }
       }
     } else if (tag === 'doc_id') {
       assert(jsDocs, value.trim() !== '', `Property ${property.name}'s @doc_id is cannot be empty`)
@@ -924,13 +898,6 @@ function hoistEnumMemberAnnotations (member: model.EnumMember, jsDocs: JSDoc[]):
       member.availability = {}
       for (const [availabilityName, availabilityValue] of Object.entries(availabilities)) {
         member.availability[availabilityName] = availabilityValue
-
-        // Backfilling deprecated fields on a property.
-        if (availabilityName === 'stack') {
-          if (availabilityValue.since !== undefined) {
-            member.since = availabilityValue.since
-          }
-        }
       }
     } else {
       assert(jsDocs, false, `Unhandled tag: '${tag}' with value: '${value}' on enum member ${member.name}`)

compiler/test/request-availability/test.ts

@@ -35,9 +35,4 @@ test('Request @availability can fulfill all the fields', t => {
     stack: { stability: 'beta', visibility: 'feature_flag', featureFlag: 'abc', since: '1.2.3' },
     serverless: { visibility: 'private', stability: 'experimental' }
   });
-  // Assert backfilled values are correct
-  t.true(endpoint?.visibility === 'feature_flag');
-  t.true(endpoint?.stability === 'beta');
-  t.true(endpoint?.featureFlag === 'abc');
-  t.true(endpoint?.since === '1.2.3');
 })