PlatformJavaScriptReplyProxy.implementation constructor
PlatformJavaScriptReplyProxy.implementation()
Used by the platform implementation to create a new PlatformJavaScriptReplyProxy.
Should only be used by platform implementations because they can't extend a class that only contains a factory constructor.
Implementation
@protected
PlatformJavaScriptReplyProxy.implementation(this.params)
: super(token: _token);