diff --git a/services/lbapplication/model_active_health_check.go b/services/lbapplication/model_active_health_check.go
index f77787a4b..1d0966761 100644
--- a/services/lbapplication/model_active_health_check.go
+++ b/services/lbapplication/model_active_health_check.go
@@ -20,7 +20,7 @@ var _ MappedNullable = &ActiveHealthCheck{}
 // ActiveHealthCheck struct for ActiveHealthCheck
 type ActiveHealthCheck struct {
 	// Healthy threshold of the health checking
-	HealthyThreshold *interface{}      `json:"healthyThreshold,omitempty"`
+	HealthyThreshold *int64            `json:"healthyThreshold,omitempty"`
 	HttpHealthChecks *HttpHealthChecks `json:"httpHealthChecks,omitempty"`
 	// Interval duration of health checking in seconds
 	Interval *string `json:"interval,omitempty"`
@@ -29,7 +29,7 @@ type ActiveHealthCheck struct {
 	// Active health checking timeout duration in seconds
 	Timeout *string `json:"timeout,omitempty"`
 	// Unhealthy threshold of the health checking
-	UnhealthyThreshold *interface{} `json:"unhealthyThreshold,omitempty"`
+	UnhealthyThreshold *int64 `json:"unhealthyThreshold,omitempty"`
 }
 
 // NewActiveHealthCheck instantiates a new ActiveHealthCheck object
@@ -49,10 +49,10 @@ func NewActiveHealthCheckWithDefaults() *ActiveHealthCheck {
 	return &this
 }
 
-// GetHealthyThreshold returns the HealthyThreshold field value if set, zero value otherwise (both if not set or set to explicit null).
-func (o *ActiveHealthCheck) GetHealthyThreshold() *interface{} {
+// GetHealthyThreshold returns the HealthyThreshold field value if set, zero value otherwise.
+func (o *ActiveHealthCheck) GetHealthyThreshold() *int64 {
 	if o == nil || IsNil(o.HealthyThreshold) {
-		var ret *interface{}
+		var ret *int64
 		return ret
 	}
 	return o.HealthyThreshold
@@ -60,8 +60,7 @@ func (o *ActiveHealthCheck) GetHealthyThreshold() *interface{} {
 
 // GetHealthyThresholdOk returns a tuple with the HealthyThreshold field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
-func (o *ActiveHealthCheck) GetHealthyThresholdOk() (*interface{}, bool) {
+func (o *ActiveHealthCheck) GetHealthyThresholdOk() (*int64, bool) {
 	if o == nil || IsNil(o.HealthyThreshold) {
 		return nil, false
 	}
@@ -77,8 +76,8 @@ func (o *ActiveHealthCheck) HasHealthyThreshold() bool {
 	return false
 }
 
-// SetHealthyThreshold gets a reference to the given interface{} and assigns it to the HealthyThreshold field.
-func (o *ActiveHealthCheck) SetHealthyThreshold(v *interface{}) {
+// SetHealthyThreshold gets a reference to the given int64 and assigns it to the HealthyThreshold field.
+func (o *ActiveHealthCheck) SetHealthyThreshold(v *int64) {
 	o.HealthyThreshold = v
 }
 
@@ -210,10 +209,10 @@ func (o *ActiveHealthCheck) SetTimeout(v *string) {
 	o.Timeout = v
 }
 
-// GetUnhealthyThreshold returns the UnhealthyThreshold field value if set, zero value otherwise (both if not set or set to explicit null).
-func (o *ActiveHealthCheck) GetUnhealthyThreshold() *interface{} {
+// GetUnhealthyThreshold returns the UnhealthyThreshold field value if set, zero value otherwise.
+func (o *ActiveHealthCheck) GetUnhealthyThreshold() *int64 {
 	if o == nil || IsNil(o.UnhealthyThreshold) {
-		var ret *interface{}
+		var ret *int64
 		return ret
 	}
 	return o.UnhealthyThreshold
@@ -221,8 +220,7 @@ func (o *ActiveHealthCheck) GetUnhealthyThreshold() *interface{} {
 
 // GetUnhealthyThresholdOk returns a tuple with the UnhealthyThreshold field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
-func (o *ActiveHealthCheck) GetUnhealthyThresholdOk() (*interface{}, bool) {
+func (o *ActiveHealthCheck) GetUnhealthyThresholdOk() (*int64, bool) {
 	if o == nil || IsNil(o.UnhealthyThreshold) {
 		return nil, false
 	}
@@ -238,14 +236,14 @@ func (o *ActiveHealthCheck) HasUnhealthyThreshold() bool {
 	return false
 }
 
-// SetUnhealthyThreshold gets a reference to the given interface{} and assigns it to the UnhealthyThreshold field.
-func (o *ActiveHealthCheck) SetUnhealthyThreshold(v *interface{}) {
+// SetUnhealthyThreshold gets a reference to the given int64 and assigns it to the UnhealthyThreshold field.
+func (o *ActiveHealthCheck) SetUnhealthyThreshold(v *int64) {
 	o.UnhealthyThreshold = v
 }
 
 func (o ActiveHealthCheck) ToMap() (map[string]interface{}, error) {
 	toSerialize := map[string]interface{}{}
-	if o.HealthyThreshold != nil {
+	if !IsNil(o.HealthyThreshold) {
 		toSerialize["healthyThreshold"] = o.HealthyThreshold
 	}
 	if !IsNil(o.HttpHealthChecks) {
@@ -260,7 +258,7 @@ func (o ActiveHealthCheck) ToMap() (map[string]interface{}, error) {
 	if !IsNil(o.Timeout) {
 		toSerialize["timeout"] = o.Timeout
 	}
-	if o.UnhealthyThreshold != nil {
+	if !IsNil(o.UnhealthyThreshold) {
 		toSerialize["unhealthyThreshold"] = o.UnhealthyThreshold
 	}
 	return toSerialize, nil
diff --git a/services/lbapplication/model_get_quota_response.go b/services/lbapplication/model_get_quota_response.go
index f19c64e0e..6b270b597 100644
--- a/services/lbapplication/model_get_quota_response.go
+++ b/services/lbapplication/model_get_quota_response.go
@@ -20,7 +20,7 @@ var _ MappedNullable = &GetQuotaResponse{}
 // GetQuotaResponse struct for GetQuotaResponse
 type GetQuotaResponse struct {
 	// The maximum number of load balancing servers in this project. Unlimited if set to -1.
-	MaxLoadBalancers *interface{} `json:"maxLoadBalancers,omitempty"`
+	MaxLoadBalancers *int64 `json:"maxLoadBalancers,omitempty"`
 	// Project identifier
 	ProjectId *string `json:"projectId,omitempty"`
 }
@@ -42,10 +42,10 @@ func NewGetQuotaResponseWithDefaults() *GetQuotaResponse {
 	return &this
 }
 
-// GetMaxLoadBalancers returns the MaxLoadBalancers field value if set, zero value otherwise (both if not set or set to explicit null).
-func (o *GetQuotaResponse) GetMaxLoadBalancers() *interface{} {
+// GetMaxLoadBalancers returns the MaxLoadBalancers field value if set, zero value otherwise.
+func (o *GetQuotaResponse) GetMaxLoadBalancers() *int64 {
 	if o == nil || IsNil(o.MaxLoadBalancers) {
-		var ret *interface{}
+		var ret *int64
 		return ret
 	}
 	return o.MaxLoadBalancers
@@ -53,8 +53,7 @@ func (o *GetQuotaResponse) GetMaxLoadBalancers() *interface{} {
 
 // GetMaxLoadBalancersOk returns a tuple with the MaxLoadBalancers field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
-func (o *GetQuotaResponse) GetMaxLoadBalancersOk() (*interface{}, bool) {
+func (o *GetQuotaResponse) GetMaxLoadBalancersOk() (*int64, bool) {
 	if o == nil || IsNil(o.MaxLoadBalancers) {
 		return nil, false
 	}
@@ -70,8 +69,8 @@ func (o *GetQuotaResponse) HasMaxLoadBalancers() bool {
 	return false
 }
 
-// SetMaxLoadBalancers gets a reference to the given interface{} and assigns it to the MaxLoadBalancers field.
-func (o *GetQuotaResponse) SetMaxLoadBalancers(v *interface{}) {
+// SetMaxLoadBalancers gets a reference to the given int64 and assigns it to the MaxLoadBalancers field.
+func (o *GetQuotaResponse) SetMaxLoadBalancers(v *int64) {
 	o.MaxLoadBalancers = v
 }
 
@@ -109,7 +108,7 @@ func (o *GetQuotaResponse) SetProjectId(v *string) {
 
 func (o GetQuotaResponse) ToMap() (map[string]interface{}, error) {
 	toSerialize := map[string]interface{}{}
-	if o.MaxLoadBalancers != nil {
+	if !IsNil(o.MaxLoadBalancers) {
 		toSerialize["maxLoadBalancers"] = o.MaxLoadBalancers
 	}
 	if !IsNil(o.ProjectId) {
diff --git a/services/lbapplication/model_listener.go b/services/lbapplication/model_listener.go
index d74ab302a..46d6d790b 100644
--- a/services/lbapplication/model_listener.go
+++ b/services/lbapplication/model_listener.go
@@ -25,7 +25,7 @@ type Listener struct {
 	// Will be used to reference a listener and will replace display name in the future. Currently uses <protocol>-<port> as the name if no display name is given.
 	Name *string `json:"name,omitempty"`
 	// Port number where we listen for traffic
-	Port *interface{} `json:"port,omitempty"`
+	Port *int64 `json:"port,omitempty"`
 	// Protocol is the highest network protocol we understand to load balance. Currently PROTOCOL_HTTP and PROTOCOL_HTTPS are supported.
 	Protocol *string `json:"protocol,omitempty"`
 	// Rules define the routing parameters for the HTTP and HTTPS listeners.
@@ -177,10 +177,10 @@ func (o *Listener) SetName(v *string) {
 	o.Name = v
 }
 
-// GetPort returns the Port field value if set, zero value otherwise (both if not set or set to explicit null).
-func (o *Listener) GetPort() *interface{} {
+// GetPort returns the Port field value if set, zero value otherwise.
+func (o *Listener) GetPort() *int64 {
 	if o == nil || IsNil(o.Port) {
-		var ret *interface{}
+		var ret *int64
 		return ret
 	}
 	return o.Port
@@ -188,8 +188,7 @@ func (o *Listener) GetPort() *interface{} {
 
 // GetPortOk returns a tuple with the Port field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
-func (o *Listener) GetPortOk() (*interface{}, bool) {
+func (o *Listener) GetPortOk() (*int64, bool) {
 	if o == nil || IsNil(o.Port) {
 		return nil, false
 	}
@@ -205,8 +204,8 @@ func (o *Listener) HasPort() bool {
 	return false
 }
 
-// SetPort gets a reference to the given interface{} and assigns it to the Port field.
-func (o *Listener) SetPort(v *interface{}) {
+// SetPort gets a reference to the given int64 and assigns it to the Port field.
+func (o *Listener) SetPort(v *int64) {
 	o.Port = v
 }
 
@@ -288,7 +287,7 @@ func (o Listener) ToMap() (map[string]interface{}, error) {
 	if !IsNil(o.Name) {
 		toSerialize["name"] = o.Name
 	}
-	if o.Port != nil {
+	if !IsNil(o.Port) {
 		toSerialize["port"] = o.Port
 	}
 	if !IsNil(o.Protocol) {
diff --git a/services/lbapplication/model_plan_details.go b/services/lbapplication/model_plan_details.go
index 1cf0650aa..996535924 100644
--- a/services/lbapplication/model_plan_details.go
+++ b/services/lbapplication/model_plan_details.go
@@ -24,7 +24,7 @@ type PlanDetails struct {
 	// Flavor Name
 	FlavorName *string `json:"flavorName,omitempty"`
 	// Maximum number of concurrent connections per application load balancer VM instance.
-	MaxConnections *interface{} `json:"maxConnections,omitempty"`
+	MaxConnections *int64 `json:"maxConnections,omitempty"`
 	// Service Plan Name
 	Name *string `json:"name,omitempty"`
 	// Service Plan Identifier
@@ -112,10 +112,10 @@ func (o *PlanDetails) SetFlavorName(v *string) {
 	o.FlavorName = v
 }
 
-// GetMaxConnections returns the MaxConnections field value if set, zero value otherwise (both if not set or set to explicit null).
-func (o *PlanDetails) GetMaxConnections() *interface{} {
+// GetMaxConnections returns the MaxConnections field value if set, zero value otherwise.
+func (o *PlanDetails) GetMaxConnections() *int64 {
 	if o == nil || IsNil(o.MaxConnections) {
-		var ret *interface{}
+		var ret *int64
 		return ret
 	}
 	return o.MaxConnections
@@ -123,8 +123,7 @@ func (o *PlanDetails) GetMaxConnections() *interface{} {
 
 // GetMaxConnectionsOk returns a tuple with the MaxConnections field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
-func (o *PlanDetails) GetMaxConnectionsOk() (*interface{}, bool) {
+func (o *PlanDetails) GetMaxConnectionsOk() (*int64, bool) {
 	if o == nil || IsNil(o.MaxConnections) {
 		return nil, false
 	}
@@ -140,8 +139,8 @@ func (o *PlanDetails) HasMaxConnections() bool {
 	return false
 }
 
-// SetMaxConnections gets a reference to the given interface{} and assigns it to the MaxConnections field.
-func (o *PlanDetails) SetMaxConnections(v *interface{}) {
+// SetMaxConnections gets a reference to the given int64 and assigns it to the MaxConnections field.
+func (o *PlanDetails) SetMaxConnections(v *int64) {
 	o.MaxConnections = v
 }
 
@@ -217,7 +216,7 @@ func (o PlanDetails) ToMap() (map[string]interface{}, error) {
 	if !IsNil(o.FlavorName) {
 		toSerialize["flavorName"] = o.FlavorName
 	}
-	if o.MaxConnections != nil {
+	if !IsNil(o.MaxConnections) {
 		toSerialize["maxConnections"] = o.MaxConnections
 	}
 	if !IsNil(o.Name) {
diff --git a/services/lbapplication/model_status.go b/services/lbapplication/model_status.go
index 9804077ca..ea546534f 100644
--- a/services/lbapplication/model_status.go
+++ b/services/lbapplication/model_status.go
@@ -20,7 +20,8 @@ var _ MappedNullable = &Status{}
 // Status The `Status` type defines a logical error model that is suitable for different programming environments, including REST APIs and RPC APIs. It is used by [gRPC](https://github.com/grpc). Each `Status` message contains three pieces of data: error code, error message, and error details. You can find out more about this error model and how to work with it in the [API Design Guide](https://cloud.google.com/apis/design/errors).
 type Status struct {
 	// The status code, which should be an enum value of [google.rpc.Code][google.rpc.Code].
-	Code *interface{} `json:"code,omitempty"`
+	// Can be cast to int32 without loss of precision.
+	Code *int64 `json:"code,omitempty"`
 	// A list of messages that carry the error details.  There is a common set of message types for APIs to use.
 	Details *[]GoogleProtobufAny `json:"details,omitempty"`
 	// A developer-facing error message, which should be in English. Any user-facing error message should be localized and sent in the [google.rpc.Status.details][google.rpc.Status.details] field, or localized by the client.
@@ -44,10 +45,10 @@ func NewStatusWithDefaults() *Status {
 	return &this
 }
 
-// GetCode returns the Code field value if set, zero value otherwise (both if not set or set to explicit null).
-func (o *Status) GetCode() *interface{} {
+// GetCode returns the Code field value if set, zero value otherwise.
+func (o *Status) GetCode() *int64 {
 	if o == nil || IsNil(o.Code) {
-		var ret *interface{}
+		var ret *int64
 		return ret
 	}
 	return o.Code
@@ -55,8 +56,7 @@ func (o *Status) GetCode() *interface{} {
 
 // GetCodeOk returns a tuple with the Code field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
-func (o *Status) GetCodeOk() (*interface{}, bool) {
+func (o *Status) GetCodeOk() (*int64, bool) {
 	if o == nil || IsNil(o.Code) {
 		return nil, false
 	}
@@ -72,8 +72,8 @@ func (o *Status) HasCode() bool {
 	return false
 }
 
-// SetCode gets a reference to the given interface{} and assigns it to the Code field.
-func (o *Status) SetCode(v *interface{}) {
+// SetCode gets a reference to the given int64 and assigns it to the Code field.
+func (o *Status) SetCode(v *int64) {
 	o.Code = v
 }
 
@@ -143,7 +143,7 @@ func (o *Status) SetMessage(v *string) {
 
 func (o Status) ToMap() (map[string]interface{}, error) {
 	toSerialize := map[string]interface{}{}
-	if o.Code != nil {
+	if !IsNil(o.Code) {
 		toSerialize["code"] = o.Code
 	}
 	if !IsNil(o.Details) {
diff --git a/services/lbapplication/model_target_pool.go b/services/lbapplication/model_target_pool.go
index fb331144f..26ec61d20 100644
--- a/services/lbapplication/model_target_pool.go
+++ b/services/lbapplication/model_target_pool.go
@@ -23,7 +23,7 @@ type TargetPool struct {
 	// Target pool name
 	Name *string `json:"name,omitempty"`
 	// The number identifying the port where each target listens for traffic.
-	TargetPort *interface{} `json:"targetPort,omitempty"`
+	TargetPort *int64 `json:"targetPort,omitempty"`
 	// List of all targets which will be used in the pool. Limited to 250.
 	Targets *[]Target `json:"targets,omitempty"`
 }
@@ -109,10 +109,10 @@ func (o *TargetPool) SetName(v *string) {
 	o.Name = v
 }
 
-// GetTargetPort returns the TargetPort field value if set, zero value otherwise (both if not set or set to explicit null).
-func (o *TargetPool) GetTargetPort() *interface{} {
+// GetTargetPort returns the TargetPort field value if set, zero value otherwise.
+func (o *TargetPool) GetTargetPort() *int64 {
 	if o == nil || IsNil(o.TargetPort) {
-		var ret *interface{}
+		var ret *int64
 		return ret
 	}
 	return o.TargetPort
@@ -120,8 +120,7 @@ func (o *TargetPool) GetTargetPort() *interface{} {
 
 // GetTargetPortOk returns a tuple with the TargetPort field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
-func (o *TargetPool) GetTargetPortOk() (*interface{}, bool) {
+func (o *TargetPool) GetTargetPortOk() (*int64, bool) {
 	if o == nil || IsNil(o.TargetPort) {
 		return nil, false
 	}
@@ -137,8 +136,8 @@ func (o *TargetPool) HasTargetPort() bool {
 	return false
 }
 
-// SetTargetPort gets a reference to the given interface{} and assigns it to the TargetPort field.
-func (o *TargetPool) SetTargetPort(v *interface{}) {
+// SetTargetPort gets a reference to the given int64 and assigns it to the TargetPort field.
+func (o *TargetPool) SetTargetPort(v *int64) {
 	o.TargetPort = v
 }
 
@@ -182,7 +181,7 @@ func (o TargetPool) ToMap() (map[string]interface{}, error) {
 	if !IsNil(o.Name) {
 		toSerialize["name"] = o.Name
 	}
-	if o.TargetPort != nil {
+	if !IsNil(o.TargetPort) {
 		toSerialize["targetPort"] = o.TargetPort
 	}
 	if !IsNil(o.Targets) {
diff --git a/services/lbapplication/model_update_target_pool_payload.go b/services/lbapplication/model_update_target_pool_payload.go
index 9eac793dc..fe281f741 100644
--- a/services/lbapplication/model_update_target_pool_payload.go
+++ b/services/lbapplication/model_update_target_pool_payload.go
@@ -23,7 +23,7 @@ type UpdateTargetPoolPayload struct {
 	// Target pool name
 	Name *string `json:"name,omitempty"`
 	// The number identifying the port where each target listens for traffic.
-	TargetPort *interface{} `json:"targetPort,omitempty"`
+	TargetPort *int64 `json:"targetPort,omitempty"`
 	// List of all targets which will be used in the pool. Limited to 250.
 	Targets *[]Target `json:"targets,omitempty"`
 }
@@ -109,10 +109,10 @@ func (o *UpdateTargetPoolPayload) SetName(v *string) {
 	o.Name = v
 }
 
-// GetTargetPort returns the TargetPort field value if set, zero value otherwise (both if not set or set to explicit null).
-func (o *UpdateTargetPoolPayload) GetTargetPort() *interface{} {
+// GetTargetPort returns the TargetPort field value if set, zero value otherwise.
+func (o *UpdateTargetPoolPayload) GetTargetPort() *int64 {
 	if o == nil || IsNil(o.TargetPort) {
-		var ret *interface{}
+		var ret *int64
 		return ret
 	}
 	return o.TargetPort
@@ -120,8 +120,7 @@ func (o *UpdateTargetPoolPayload) GetTargetPort() *interface{} {
 
 // GetTargetPortOk returns a tuple with the TargetPort field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
-func (o *UpdateTargetPoolPayload) GetTargetPortOk() (*interface{}, bool) {
+func (o *UpdateTargetPoolPayload) GetTargetPortOk() (*int64, bool) {
 	if o == nil || IsNil(o.TargetPort) {
 		return nil, false
 	}
@@ -137,8 +136,8 @@ func (o *UpdateTargetPoolPayload) HasTargetPort() bool {
 	return false
 }
 
-// SetTargetPort gets a reference to the given interface{} and assigns it to the TargetPort field.
-func (o *UpdateTargetPoolPayload) SetTargetPort(v *interface{}) {
+// SetTargetPort gets a reference to the given int64 and assigns it to the TargetPort field.
+func (o *UpdateTargetPoolPayload) SetTargetPort(v *int64) {
 	o.TargetPort = v
 }
 
@@ -182,7 +181,7 @@ func (o UpdateTargetPoolPayload) ToMap() (map[string]interface{}, error) {
 	if !IsNil(o.Name) {
 		toSerialize["name"] = o.Name
 	}
-	if o.TargetPort != nil {
+	if !IsNil(o.TargetPort) {
 		toSerialize["targetPort"] = o.TargetPort
 	}
 	if !IsNil(o.Targets) {