code: private void deleteTimes() throws IfmapErrorResult, IfmapException {
  		String filter = IfmapStrings.OP_METADATA_PREFIX + ":client-time[@" + IfmapStrings.PUBLISHER_ID_ATTR
  			+ " = \"" + mSsrc.getPublisherId() + "\"]";
  		PublishDelete pd = Requests.createPublishDelete(mDev, filter);
  		pd.addNamespaceDeclaration(IfmapStrings.OP_METADATA_PREFIX,
  				IfmapStrings.OP_METADATA_NS_URI);
  		PublishRequest pr = Requests.createPublishReq(pd);
  
  		mSsrc.publish(pr);
  	}
docs: Delete all current-time metadata objects attached to the {{@link #mDev}
  identifier provided they have "our" publisher-id.
  
  @throws IfmapErrorResult
  @throws IfmapException