how to get this com.sap.portal.admin.wizardframework_api.jar file

Hi this is related to the wizard creating component required .jar file. Can any body tell me , how to get this jar file. I have searched in my IDE plug-in's folder. But i have nt find this.

com.sap.portal.admin.wizardframework_api.jar

how to get thid jar file.

REgards

Vijay