AWSTextAdapter
Adapter for AI text-related requests that supports the Amazon Bedrock service.
See also AITextAdapter.
Properties
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                              abortController : AbortControllerinheritedmodule:ai/aiassistant/adapters/awstextadapter~AWSTextAdapter#abortControllerAbort controller instance. It is used by abort().It should be passed to the mechanism that performs the request (e.g. fetch()).
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                              module:ai/aiassistant/adapters/awstextadapter~AWSTextAdapter#editorThe editor instance. Note that most editors implement the uiproperty. However, editors with an external UI (i.e. Bootstrap-based) or a headless editor may not have this property or throw an error when accessing it.Because of above, to make plugins more universal, it is recommended to split features into: 
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                              isEnabled : booleanmodule:ai/aiassistant/adapters/awstextadapter~AWSTextAdapter#isEnabledFlag indicating whether a plugin is enabled or disabled. A disabled plugin will not transform text. Plugin can be simply disabled like that: // Disable the plugin so that no toolbars are visible. editor.plugins.get( 'TextTransformation' ).isEnabled = false;Copy codeYou can also use forceDisabledmethod.
Static properties
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                              isContextPlugin : falsereadonlyinheritedstaticmodule:ai/aiassistant/adapters/awstextadapter~AWSTextAdapter.isContextPlugin
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                              pluginName : 'AWSTextAdapter'readonlystaticmodule:ai/aiassistant/adapters/awstextadapter~AWSTextAdapter.pluginName
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                              requires : readonly tuplereadonlyinheritedstaticmodule:ai/aiassistant/adapters/awstextadapter~AWSTextAdapter.requires
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                              isOfficialPlugin : booleaninternalreadonlyinheritedstaticmodule:ai/aiassistant/adapters/awstextadapter~AWSTextAdapter.isOfficialPlugin
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                              isPremiumPlugin : booleaninternalreadonlyinheritedstaticmodule:ai/aiassistant/adapters/awstextadapter~AWSTextAdapter.isPremiumPlugin
Methods
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                              constructor( editor )module:ai/aiassistant/adapters/awstextadapter~AWSTextAdapter#constructorParameters- editor : Editor
 
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                              abort() → voidinheritedmodule:ai/aiassistant/adapters/awstextadapter~AWSTextAdapter#abortThe method that stops the current request and then recreates the abort controller instance. It should be called when the currently processed request should be aborted (e.g. when the user closes the UI as the request is processed). Returns- void
 
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                              bind( bindProperties ) → ObservableMultiBindChaininheritedmodule:ai/aiassistant/adapters/awstextadapter~AWSTextAdapter#bind:MANY_BINDBinds observable properties to other objects implementing the Observableinterface.Read more in the dedicated guide covering the topic of property bindings with some additional examples. Consider two objects: a buttonand an associatedcommand(bothObservable).A simple property binding could be as follows: button.bind( 'isEnabled' ).to( command, 'isEnabled' );Copy codeor even shorter: button.bind( 'isEnabled' ).to( command );Copy codewhich works in the following way: - button.isEnabledinstantly equals- command.isEnabled,
- whenever command.isEnabledchanges,button.isEnabledwill immediately reflect its value.
 Note: To release the binding, use unbind.You can also "rename" the property in the binding by specifying the new name in the to()chain:button.bind( 'isEnabled' ).to( command, 'isWorking' );Copy codeIt is possible to bind more than one property at a time to shorten the code: button.bind( 'isEnabled', 'value' ).to( command );Copy codewhich corresponds to: button.bind( 'isEnabled' ).to( command ); button.bind( 'value' ).to( command );Copy codeThe binding can include more than one observable, combining multiple data sources in a custom callback: button.bind( 'isEnabled' ).to( command, 'isEnabled', ui, 'isVisible', ( isCommandEnabled, isUIVisible ) => isCommandEnabled && isUIVisible );Copy codeUsing a custom callback allows processing the value before passing it to the target property: button.bind( 'isEnabled' ).to( command, 'value', value => value === 'heading1' );Copy codeIt is also possible to bind to the same property in an array of observables. To bind a buttonto multiple commands (alsoObservables) so that each and every one of them must be enabled for the button to become enabled, use the following code:button.bind( 'isEnabled' ).toMany( [ commandA, commandB, commandC ], 'isEnabled', ( isAEnabled, isBEnabled, isCEnabled ) => isAEnabled && isBEnabled && isCEnabled );Copy codeParameters- bindProperties : Array<'off' | 'set' | 'bind' | 'unbind' | 'decorate' | 'stopListening' | 'on' | 'once' | 'listenTo' | 'fire' | 'delegate' | 'stopDelegating' | 'abort' | 'destroy' | 'init' | 'isEnabled' | 'editor' | 'forceDisabled' | 'clearForceDisabled' | 'abortController' | 'sendRequest' | 'makeRequest' | 'preparePrompt' | 'getModelFamily'>
- Observable properties that will be bound to other observable(s). 
 Returns- ObservableMultiBindChain
- The bind chain with the - to()and- toMany()methods.
 
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                              bind( bindProperty1, bindProperty2 ) → ObservableDualBindChain<K1, AWSTextAdapter[ K1 ], K2, AWSTextAdapter[ K2 ]>inheritedmodule:ai/aiassistant/adapters/awstextadapter~AWSTextAdapter#bind:DUAL_BINDBinds observable properties to other objects implementing the Observableinterface.Read more in the dedicated guide covering the topic of property bindings with some additional examples. Consider two objects: a buttonand an associatedcommand(bothObservable).A simple property binding could be as follows: button.bind( 'isEnabled' ).to( command, 'isEnabled' );Copy codeor even shorter: button.bind( 'isEnabled' ).to( command );Copy codewhich works in the following way: - button.isEnabledinstantly equals- command.isEnabled,
- whenever command.isEnabledchanges,button.isEnabledwill immediately reflect its value.
 Note: To release the binding, use unbind.You can also "rename" the property in the binding by specifying the new name in the to()chain:button.bind( 'isEnabled' ).to( command, 'isWorking' );Copy codeIt is possible to bind more than one property at a time to shorten the code: button.bind( 'isEnabled', 'value' ).to( command );Copy codewhich corresponds to: button.bind( 'isEnabled' ).to( command ); button.bind( 'value' ).to( command );Copy codeThe binding can include more than one observable, combining multiple data sources in a custom callback: button.bind( 'isEnabled' ).to( command, 'isEnabled', ui, 'isVisible', ( isCommandEnabled, isUIVisible ) => isCommandEnabled && isUIVisible );Copy codeUsing a custom callback allows processing the value before passing it to the target property: button.bind( 'isEnabled' ).to( command, 'value', value => value === 'heading1' );Copy codeIt is also possible to bind to the same property in an array of observables. To bind a buttonto multiple commands (alsoObservables) so that each and every one of them must be enabled for the button to become enabled, use the following code:button.bind( 'isEnabled' ).toMany( [ commandA, commandB, commandC ], 'isEnabled', ( isAEnabled, isBEnabled, isCEnabled ) => isAEnabled && isBEnabled && isCEnabled );Copy codeType parameters- K1
- K2
 Parameters- bindProperty1 : K1
- Observable property that will be bound to other observable(s). 
- bindProperty2 : K2
- Observable property that will be bound to other observable(s). 
 Returns- ObservableDualBindChain<K1, AWSTextAdapter[ K1 ], K2, AWSTextAdapter[ K2 ]>
- The bind chain with the - to()and- toMany()methods.
 
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                              bind( bindProperty ) → ObservableSingleBindChain<K, AWSTextAdapter[ K ]>inheritedmodule:ai/aiassistant/adapters/awstextadapter~AWSTextAdapter#bind:SINGLE_BINDBinds observable properties to other objects implementing the Observableinterface.Read more in the dedicated guide covering the topic of property bindings with some additional examples. Consider two objects: a buttonand an associatedcommand(bothObservable).A simple property binding could be as follows: button.bind( 'isEnabled' ).to( command, 'isEnabled' );Copy codeor even shorter: button.bind( 'isEnabled' ).to( command );Copy codewhich works in the following way: - button.isEnabledinstantly equals- command.isEnabled,
- whenever command.isEnabledchanges,button.isEnabledwill immediately reflect its value.
 Note: To release the binding, use unbind.You can also "rename" the property in the binding by specifying the new name in the to()chain:button.bind( 'isEnabled' ).to( command, 'isWorking' );Copy codeIt is possible to bind more than one property at a time to shorten the code: button.bind( 'isEnabled', 'value' ).to( command );Copy codewhich corresponds to: button.bind( 'isEnabled' ).to( command ); button.bind( 'value' ).to( command );Copy codeThe binding can include more than one observable, combining multiple data sources in a custom callback: button.bind( 'isEnabled' ).to( command, 'isEnabled', ui, 'isVisible', ( isCommandEnabled, isUIVisible ) => isCommandEnabled && isUIVisible );Copy codeUsing a custom callback allows processing the value before passing it to the target property: button.bind( 'isEnabled' ).to( command, 'value', value => value === 'heading1' );Copy codeIt is also possible to bind to the same property in an array of observables. To bind a buttonto multiple commands (alsoObservables) so that each and every one of them must be enabled for the button to become enabled, use the following code:button.bind( 'isEnabled' ).toMany( [ commandA, commandB, commandC ], 'isEnabled', ( isAEnabled, isBEnabled, isCEnabled ) => isAEnabled && isBEnabled && isCEnabled );Copy codeType parameters- K
 Parameters- bindProperty : K
- Observable property that will be bound to other observable(s). 
 Returns- ObservableSingleBindChain<K, AWSTextAdapter[ K ]>
- The bind chain with the - to()and- toMany()methods.
 
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                              clearForceDisabled( id ) → voidinheritedmodule:ai/aiassistant/adapters/awstextadapter~AWSTextAdapter#clearForceDisabledClears forced disable previously set through forceDisabled. SeeforceDisabled.Parameters- id : string
- Unique identifier, equal to the one passed in - forceDisabledcall.
 Returns- void
 
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                              decorate( methodName ) → voidinheritedmodule:ai/aiassistant/adapters/awstextadapter~AWSTextAdapter#decorateTurns the given methods of this object into event-based ones. This means that the new method will fire an event (named after the method) and the original action will be plugged as a listener to that event. Read more in the dedicated guide covering the topic of decorating methods with some additional examples. Decorating the method does not change its behavior (it only adds an event), but it allows to modify it later on by listening to the method's event. For example, to cancel the method execution the event can be stopped: class Foo extends ObservableMixin() { constructor() { super(); this.decorate( 'method' ); } method() { console.log( 'called!' ); } } const foo = new Foo(); foo.on( 'method', ( evt ) => { evt.stop(); }, { priority: 'high' } ); foo.method(); // Nothing is logged.Copy codeNote: The high priority listener has been used to execute this particular callback before the one which calls the original method (which uses the "normal" priority). It is also possible to change the returned value: foo.on( 'method', ( evt ) => { evt.return = 'Foo!'; } ); foo.method(); // -> 'Foo'Copy codeFinally, it is possible to access and modify the arguments the method is called with: method( a, b ) { console.log( `${ a }, ${ b }` ); } // ... foo.on( 'method', ( evt, args ) => { args[ 0 ] = 3; console.log( args[ 1 ] ); // -> 2 }, { priority: 'high' } ); foo.method( 1, 2 ); // -> '3, 2'Copy codeParameters- methodName : 'off' | 'set' | 'bind' | 'unbind' | 'decorate' | 'stopListening' | 'on' | 'once' | 'listenTo' | 'fire' | 'delegate' | 'stopDelegating' | 'abort' | 'destroy' | 'init' | 'isEnabled' | 'editor' | 'forceDisabled' | 'clearForceDisabled' | 'abortController' | 'sendRequest' | 'makeRequest' | 'preparePrompt' | 'getModelFamily'
- Name of the method to decorate. 
 Returns- void
 
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                              delegate( events ) → EmitterMixinDelegateChaininheritedmodule:ai/aiassistant/adapters/awstextadapter~AWSTextAdapter#delegateDelegates selected events to another Emitter. For instance:emitterA.delegate( 'eventX' ).to( emitterB ); emitterA.delegate( 'eventX', 'eventY' ).to( emitterC );Copy codethen eventXis delegated (fired by)emitterBandemitterCalong withdata:emitterA.fire( 'eventX', data );Copy codeand eventYis delegated (fired by)emitterCalong withdata:emitterA.fire( 'eventY', data );Copy codeParameters- events : Array<string>
- Event names that will be delegated to another emitter. 
 Returns
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                              destroy() → voidinheritedmodule:ai/aiassistant/adapters/awstextadapter~AWSTextAdapter#destroyDestroys the plugin. Note: This method is optional. A plugin instance does not need to have it defined. Returns- void
 
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                              fire( eventOrInfo, args ) → GetEventInfo<TEvent>[ 'return' ]inheritedmodule:ai/aiassistant/adapters/awstextadapter~AWSTextAdapter#fireFires an event, executing all callbacks registered for it. The first parameter passed to callbacks is an EventInfoobject, followed by the optionalargsprovided in thefire()method call.Type parametersParameters- eventOrInfo : GetNameOrEventInfo<TEvent>
- The name of the event or - EventInfoobject if event is delegated.
- args : TEvent[ 'args' ]
- Additional arguments to be passed to the callbacks. 
 Returns- GetEventInfo<TEvent>[ 'return' ]
- By default the method returns - undefined. However, the return value can be changed by listeners through modification of the- evt.return's property (the event info is the first param of every callback).
 
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                              forceDisabled( id ) → voidinheritedmodule:ai/aiassistant/adapters/awstextadapter~AWSTextAdapter#forceDisabledDisables the plugin. Plugin may be disabled by multiple features or algorithms (at once). When disabling a plugin, unique id should be passed (e.g. feature name). The same identifier should be used when enabling back the plugin. The plugin becomes enabled only after all features enabled it back. Disabling and enabling a plugin: plugin.isEnabled; // -> true plugin.forceDisabled( 'MyFeature' ); plugin.isEnabled; // -> false plugin.clearForceDisabled( 'MyFeature' ); plugin.isEnabled; // -> trueCopy codePlugin disabled by multiple features: plugin.forceDisabled( 'MyFeature' ); plugin.forceDisabled( 'OtherFeature' ); plugin.clearForceDisabled( 'MyFeature' ); plugin.isEnabled; // -> false plugin.clearForceDisabled( 'OtherFeature' ); plugin.isEnabled; // -> trueCopy codeMultiple disabling with the same identifier is redundant: plugin.forceDisabled( 'MyFeature' ); plugin.forceDisabled( 'MyFeature' ); plugin.clearForceDisabled( 'MyFeature' ); plugin.isEnabled; // -> trueCopy codeNote: some plugins or algorithms may have more complex logic when it comes to enabling or disabling certain plugins, so the plugin might be still disabled after clearForceDisabledwas used.Parameters- id : string
- Unique identifier for disabling. Use the same id when enabling back the plugin. 
 Returns- void
 
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                              getModelFamily( model ) → AIAWSModelFamilymodule:ai/aiassistant/adapters/awstextadapter~AWSTextAdapter#getModelFamilyFor a given model, it returns the family to which this model belongs. For example, for anthropic.claude-instant-v1it will returnanthropic.claude.Throws AIRequestErrorif a given model is not supported.Parameters- model : string
 Returns
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                              init() → voidinheritedmodule:ai/aiassistant/adapters/awstextadapter~AWSTextAdapter#initReturns- void
 
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                              listenTo( emitter, event, callback, [ options ] ) → voidinheritedmodule:ai/aiassistant/adapters/awstextadapter~AWSTextAdapter#listenTo:BASE_EMITTERRegisters a callback function to be executed when an event is fired in a specific (emitter) object. Events can be grouped in namespaces using :. When namespaced event is fired, it additionally fires all callbacks for that namespace.// myEmitter.on( ... ) is a shorthand for myEmitter.listenTo( myEmitter, ... ). myEmitter.on( 'myGroup', genericCallback ); myEmitter.on( 'myGroup:myEvent', specificCallback ); // genericCallback is fired. myEmitter.fire( 'myGroup' ); // both genericCallback and specificCallback are fired. myEmitter.fire( 'myGroup:myEvent' ); // genericCallback is fired even though there are no callbacks for "foo". myEmitter.fire( 'myGroup:foo' );Copy codeAn event callback can stop the event and set the return value of the firemethod.Type parametersParameters- emitter : Emitter
- The object that fires the event. 
- event : TEvent[ 'name' ]
- The name of the event. 
- callback : GetCallback<TEvent>
- The function to be called on event. 
- [ options ] : GetCallbackOptions<TEvent>
- Additional options. 
 Returns- void
 
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                              makeRequest( requestData ) → Promise<void>inheritedmodule:ai/aiassistant/adapters/awstextadapter~AWSTextAdapter#makeRequestMakes the AI request to the AI API service and processes the response from the service. Internally, it uses sendRequest().If you are creating a custom adapter, implement sendRequest()rather than extending this method.Implements basic error handling for errors thrown by sendRequest():- AIRequestErroris re-thrown, and it is expected to be handled by the feature that made the request (e.g. by displaying some error notification).
- CKEditorErroris unexpected, is logged to the console, and re-thrown.
- 'AbortError'is expected and is silenced. It is thrown when the request is aborted and does not need to be handled.
 Parameters- requestData : AITextAdapterRequestData
 Returns- Promise<void>
- A Promise that resolves with the AI-generated response. 
 
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                              off( event, callback ) → voidinheritedmodule:ai/aiassistant/adapters/awstextadapter~AWSTextAdapter#offStops executing the callback on the given event. Shorthand for this.stopListening( this, event, callback ).Parameters- event : string
- The name of the event. 
- callback : Function
- The function to stop being called. 
 Returns- void
 
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                              on( event, callback, [ options ] ) → voidinheritedmodule:ai/aiassistant/adapters/awstextadapter~AWSTextAdapter#onRegisters a callback function to be executed when an event is fired. Shorthand for this.listenTo( this, event, callback, options )(it makes the emitter listen on itself).Type parametersParameters- event : TEvent[ 'name' ]
- The name of the event. 
- callback : GetCallback<TEvent>
- The function to be called on event. 
- [ options ] : GetCallbackOptions<TEvent>
- Additional options. 
 Returns- void
 
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                              once( event, callback, [ options ] ) → voidinheritedmodule:ai/aiassistant/adapters/awstextadapter~AWSTextAdapter#onceRegisters a callback function to be executed on the next time the event is fired only. This is similar to calling onfollowed byoffin the callback.Type parametersParameters- event : TEvent[ 'name' ]
- The name of the event. 
- callback : GetCallback<TEvent>
- The function to be called on event. 
- [ options ] : GetCallbackOptions<TEvent>
- Additional options. 
 Returns- void
 
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                              preparePrompt( query, context, model, actionId ) → Promise<string>module:ai/aiassistant/adapters/awstextadapter~AWSTextAdapter#preparePromptPrepares the actual full prompt for the request to the Amazon Bedrock API. The prompt may differ depending on what model is used. You can overload this method to customize the prompts that are sent to the AI service. Parameters- query : string
- The user's query. The instruction which the model should perform. 
- context : string
- The context for the instruction. Usually this will be a part of the editor content. Can be empty. 
- model : string
- Model that is used to perform the request. 
- actionId : string
- ID of the performed action. See - actionId.
 Returns- Promise<string>
 
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                              sendRequest( __namedParameters ) → Promise<void>module:ai/aiassistant/adapters/awstextadapter~AWSTextAdapter#sendRequestPerforms the request to the Amazon Bedrock service or to the endpoint provided in the editor configuration. If you want to extend this adapter, you can overload this method to do some additional processing or make an external call. Parameters- __namedParameters : AITextAdapterRequestData
 Returns- Promise<void>
 
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                              set( values ) → voidinheritedmodule:ai/aiassistant/adapters/awstextadapter~AWSTextAdapter#set:OBJECTCreates and sets the value of an observable properties of this object. Such a property becomes a part of the state and is observable. It accepts a single object literal containing key/value pairs with properties to be set. This method throws the observable-set-cannot-overrideerror if the observable instance already has a property with the given property name. This prevents from mistakenly overriding existing properties and methods, but means thatfoo.set( 'bar', 1 )may be slightly slower thanfoo.bar = 1.In TypeScript, those properties should be declared in class using declarekeyword. In example:public declare myProp1: number; public declare myProp2: string; constructor() { this.set( { 'myProp1: 2, 'myProp2: 'foo' } ); }Copy codeParameters- values : object
- An object with - name=>valuepairs.
 Returns- void
 
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                              set( name, value ) → voidinheritedmodule:ai/aiassistant/adapters/awstextadapter~AWSTextAdapter#set:KEY_VALUECreates and sets the value of an observable property of this object. Such a property becomes a part of the state and is observable. This method throws the observable-set-cannot-overrideerror if the observable instance already has a property with the given property name. This prevents from mistakenly overriding existing properties and methods, but means thatfoo.set( 'bar', 1 )may be slightly slower thanfoo.bar = 1.In TypeScript, those properties should be declared in class using declarekeyword. In example:public declare myProp: number; constructor() { this.set( 'myProp', 2 ); }Copy codeType parameters- K
 Parameters- name : K
- The property's name. 
- value : AWSTextAdapter[ K ]
- The property's value. 
 Returns- void
 
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                              stopDelegating( [ event ], [ emitter ] ) → voidinheritedmodule:ai/aiassistant/adapters/awstextadapter~AWSTextAdapter#stopDelegatingStops delegating events. It can be used at different levels: - To stop delegating all events.
- To stop delegating a specific event to all emitters.
- To stop delegating a specific event to a specific emitter.
 Parameters- [ event ] : string
- The name of the event to stop delegating. If omitted, stops it all delegations. 
- [ emitter ] : Emitter
- (requires - event) The object to stop delegating a particular event to. If omitted, stops delegation of- eventto all emitters.
 Returns- void
 
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                              stopListening( [ emitter ], [ event ], [ callback ] ) → voidinheritedmodule:ai/aiassistant/adapters/awstextadapter~AWSTextAdapter#stopListening:BASE_STOPStops listening for events. It can be used at different levels: - To stop listening to a specific callback.
- To stop listening to a specific event.
- To stop listening to all events fired by a specific object.
- To stop listening to all events fired by all objects.
 Parameters- [ emitter ] : Emitter
- The object to stop listening to. If omitted, stops it for all objects. 
- [ event ] : string
- (Requires the - emitter) The name of the event to stop listening to. If omitted, stops it for all events from- emitter.
- [ callback ] : Function
- (Requires the - event) The function to be removed from the call list for the given- event.
 Returns- void
 
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                              unbind( unbindProperties ) → voidinheritedmodule:ai/aiassistant/adapters/awstextadapter~AWSTextAdapter#unbindRemoves the binding created with bind.// Removes the binding for the 'a' property. A.unbind( 'a' ); // Removes bindings for all properties. A.unbind();Copy codeParameters- unbindProperties : Array<'off' | 'set' | 'bind' | 'unbind' | 'decorate' | 'stopListening' | 'on' | 'once' | 'listenTo' | 'fire' | 'delegate' | 'stopDelegating' | 'abort' | 'destroy' | 'init' | 'isEnabled' | 'editor' | 'forceDisabled' | 'clearForceDisabled' | 'abortController' | 'sendRequest' | 'makeRequest' | 'preparePrompt' | 'getModelFamily'>
- Observable properties to be unbound. All the bindings will be released if no properties are provided. 
 Returns- void
 
Events
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                              change:isEnabled( eventInfo, name, value, oldValue )inheritedmodule:ai/aiassistant/adapters/awstextadapter~AWSTextAdapter#event:change:isEnabledFired when the isEnabledproperty changed value.Parameters- eventInfo : EventInfo
- An object containing information about the fired event. 
- name : string
- Name of the changed property ( - isEnabled).
- value : boolean
- New value of the - isEnabledproperty with given key or- null, if operation should remove property.
- oldValue : boolean
- Old value of the - isEnabledproperty with given key or- null, if property was not set before.
 
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                              change:{property}( eventInfo, name, value, oldValue )inheritedmodule:ai/aiassistant/adapters/awstextadapter~AWSTextAdapter#event:change:{property}Fired when a property changed value. observable.set( 'prop', 1 ); observable.on<ObservableChangeEvent<number>>( 'change:prop', ( evt, propertyName, newValue, oldValue ) => { console.log( `${ propertyName } has changed from ${ oldValue } to ${ newValue }` ); } ); observable.prop = 2; // -> 'prop has changed from 1 to 2'Copy codeParameters- eventInfo : EventInfo
- An object containing information about the fired event. 
- name : string
- The property name. 
- value : TValue
- The new property value. 
- oldValue : TValue
- The previous property value. 
 
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                              set:isEnabled( eventInfo, name, value, oldValue )inheritedmodule:ai/aiassistant/adapters/awstextadapter~AWSTextAdapter#event:set:isEnabledFired when the isEnabledproperty is going to be set but is not set yet (before thechangeevent is fired).Parameters- eventInfo : EventInfo
- An object containing information about the fired event. 
- name : string
- Name of the changed property ( - isEnabled).
- value : boolean
- New value of the - isEnabledproperty with given key or- null, if operation should remove property.
- oldValue : boolean
- Old value of the - isEnabledproperty with given key or- null, if property was not set before.
 
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                              set:{property}( eventInfo, name, value, oldValue )inheritedmodule:ai/aiassistant/adapters/awstextadapter~AWSTextAdapter#event:set:{property}Fired when a property value is going to be set but is not set yet (before the changeevent is fired).You can control the final value of the property by using the event's returnproperty.observable.set( 'prop', 1 ); observable.on<ObservableSetEvent<number>>( 'set:prop', ( evt, propertyName, newValue, oldValue ) => { console.log( `Value is going to be changed from ${ oldValue } to ${ newValue }` ); console.log( `Current property value is ${ observable[ propertyName ] }` ); // Let's override the value. evt.return = 3; } ); observable.on<ObservableChangeEvent<number>>( 'change:prop', ( evt, propertyName, newValue, oldValue ) => { console.log( `Value has changed from ${ oldValue } to ${ newValue }` ); } ); observable.prop = 2; // -> 'Value is going to be changed from 1 to 2' // -> 'Current property value is 1' // -> 'Value has changed from 1 to 3'Copy codeNote: The event is fired even when the new value is the same as the old value. Parameters- eventInfo : EventInfo
- An object containing information about the fired event. 
- name : string
- The property name. 
- value : TValue
- The new property value. 
- oldValue : TValue
- The previous property value.