Some examples of the issues
In NeutronFirewallPolicyNorthbound.java in @GET function querySecurityPolicyIsShared is a string and should be Boolean,
In NeutronSubnetsNorthbound.java in @GET function queryIPVersion is string but should be Integer, queryEnableDHCP is a string should be Boolean
In NeutronLoadBalancerListenerNorthbound.java queryLoadBalancerListenerAdminIsUp is a String should be Boolean
In NeutronLoadBalancerPoolNorthbound.java
queryLoadBalancerIsAdminStateUp is String should be Boolean
queryLoadBalancerPoolMemberAdminStateUp is String should be Boolean,
queryLoadBalancerPoolMemberWeight is String should be Integer
In NeutronVPNIPSECSiteConnectionsNorthbound queryAdminStateUp is String should be Boolean
More like this in NeutronL2gatewayConnectionNorthbound, NeutronPortsNorthbound, NeutronRoutersNorthbound