VE_AutoLeadController.java

public class VE_AutoLeadController {
    
    public List<String> leadIdsSet 			  { get; set; }
    public List<Lead> selectedLeadRecords     { get; set; }
    
    public VE_AutoLeadController(ApexPages.StandardSetController setController) {
        selectedLeadRecords = (Lead[])setController.getSelected();
        leadIdsSet 			= new List<String>();
        for(sObject sobj : setController.getSelected()){
            leadIdsSet.add( (String)sObj.get('Id') );
        }
        // SOQL on Lead Object if you need more Fields
        selectedLeadRecords = [SELECT Id, Name, Company, Phone, Email, Rating FROM Lead WHERE Id IN: leadIdsSet];
    }
}