Full details of WSDD file

[Vaidya, Raghavendra (CORP, GEITC)]

Hi,
I am writing a eclipse plug-in for administering and deploying services and generating 
the client stub code for Axis .I will donate this to open source once i am done.
I need to understand the full details of the WSDD file to support all the deployment 
features.
Is there a document somewhere where i can find all the details of WSDD??
Regards
Vaidya