OutputEmitter does not support for subscribe in v17.2.4

[aiuoe]

Which @angular/* package(s) are the source of the bug?

core

Is this a regression?

No

Description

/**

• An OutputEmitter is created by the output() function and can be
• used to emit values to consumers of your directive or component.
• Consumers of your directive/component can bind to the output and
• subscribe to changes via the bound event syntax. For example:
• <my-comp (valueChange)="processNewValue($event)" />
• @developerPreview
  */
  export declare interface ɵOutputEmitter {
  emit(value: T): void;
  }

Please provide a link to a minimal reproduction of the bug

No response

Please provide the exception or error you saw

Property 'subscribe' does not exist on type 'ɵOutputEmitter<void>'.

Please provide the environment you discovered this bug in (run ng version)

Angular CLI: 17.2.1
Node: 18.19.0
Package Manager: npm 10.2.3
OS: linux x64

Angular: 17.2.4
... core

Package                             Version
-------------------------------------------------------------
@angular-devkit/architect           0.1702.1
@angular-devkit/build-angular       17.2.1
@angular-devkit/core                17.2.1
@angular-devkit/schematics          17.2.1
@angular/animations                 17.2.2
@angular/cli                        17.2.1
@angular/common                     17.2.2
@angular/compiler                   17.2.2
@angular/compiler-cli               17.2.2
@angular/forms                      17.2.2
@angular/platform-browser           17.2.2
@angular/platform-browser-dynamic   17.2.2
@angular/router                     17.2.2
@schematics/angular                 17.2.1
rxjs                                7.8.1
typescript                          5.3.3
zone.js                             0.14.4

Anything else?

No response

[JoostK]

What are you trying to do? This API is only available from 17.3 onwards.

[aiuoe]

v17.2.4 includes ɵoutput fn dev preview and not work

[JeanMeche]

output() is only available in v17.3. 17.2 doesn't include any implementation. ɵoutput is a symbol with no feature behind it.

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