diff --git a/services/serviceaccount/model_access_token.go b/services/serviceaccount/model_access_token.go
index 2c2a84af..9907b213 100644
--- a/services/serviceaccount/model_access_token.go
+++ b/services/serviceaccount/model_access_token.go
@@ -63,7 +63,7 @@ func NewAccessTokenWithDefaults() *AccessToken {
 
 // GetActive returns the Active field value
 func (o *AccessToken) GetActive() *bool {
-	if o == nil {
+	if o == nil || IsNil(o.Active) {
 		var ret *bool
 		return ret
 	}
@@ -87,7 +87,7 @@ func (o *AccessToken) SetActive(v *bool) {
 
 // GetCreatedAt returns the CreatedAt field value
 func (o *AccessToken) GetCreatedAt() *time.Time {
-	if o == nil {
+	if o == nil || IsNil(o.CreatedAt) {
 		var ret *time.Time
 		return ret
 	}
@@ -111,7 +111,7 @@ func (o *AccessToken) SetCreatedAt(v *time.Time) {
 
 // GetId returns the Id field value
 func (o *AccessToken) GetId() *string {
-	if o == nil {
+	if o == nil || IsNil(o.Id) {
 		var ret *string
 		return ret
 	}
@@ -135,7 +135,7 @@ func (o *AccessToken) SetId(v *string) {
 
 // GetToken returns the Token field value
 func (o *AccessToken) GetToken() *string {
-	if o == nil {
+	if o == nil || IsNil(o.Token) {
 		var ret *string
 		return ret
 	}
@@ -159,7 +159,7 @@ func (o *AccessToken) SetToken(v *string) {
 
 // GetValidUntil returns the ValidUntil field value
 func (o *AccessToken) GetValidUntil() *time.Time {
-	if o == nil {
+	if o == nil || IsNil(o.ValidUntil) {
 		var ret *time.Time
 		return ret
 	}
diff --git a/services/serviceaccount/model_access_token_metadata.go b/services/serviceaccount/model_access_token_metadata.go
index 2cadb1eb..9cd0c692 100644
--- a/services/serviceaccount/model_access_token_metadata.go
+++ b/services/serviceaccount/model_access_token_metadata.go
@@ -59,7 +59,7 @@ func NewAccessTokenMetadataWithDefaults() *AccessTokenMetadata {
 
 // GetActive returns the Active field value
 func (o *AccessTokenMetadata) GetActive() *bool {
-	if o == nil {
+	if o == nil || IsNil(o.Active) {
 		var ret *bool
 		return ret
 	}
@@ -83,7 +83,7 @@ func (o *AccessTokenMetadata) SetActive(v *bool) {
 
 // GetCreatedAt returns the CreatedAt field value
 func (o *AccessTokenMetadata) GetCreatedAt() *time.Time {
-	if o == nil {
+	if o == nil || IsNil(o.CreatedAt) {
 		var ret *time.Time
 		return ret
 	}
@@ -107,7 +107,7 @@ func (o *AccessTokenMetadata) SetCreatedAt(v *time.Time) {
 
 // GetId returns the Id field value
 func (o *AccessTokenMetadata) GetId() *string {
-	if o == nil {
+	if o == nil || IsNil(o.Id) {
 		var ret *string
 		return ret
 	}
@@ -131,7 +131,7 @@ func (o *AccessTokenMetadata) SetId(v *string) {
 
 // GetValidUntil returns the ValidUntil field value
 func (o *AccessTokenMetadata) GetValidUntil() *time.Time {
-	if o == nil {
+	if o == nil || IsNil(o.ValidUntil) {
 		var ret *time.Time
 		return ret
 	}
diff --git a/services/serviceaccount/model_auth_error.go b/services/serviceaccount/model_auth_error.go
index db64f831..0e54106b 100644
--- a/services/serviceaccount/model_auth_error.go
+++ b/services/serviceaccount/model_auth_error.go
@@ -45,7 +45,7 @@ func NewAuthErrorWithDefaults() *AuthError {
 
 // GetError returns the Error field value
 func (o *AuthError) GetError() *AuthErrorError {
-	if o == nil {
+	if o == nil || IsNil(o.Error) {
 		var ret *AuthErrorError
 		return ret
 	}
diff --git a/services/serviceaccount/model_auth_error_error.go b/services/serviceaccount/model_auth_error_error.go
index c6b91e74..d1a8768d 100644
--- a/services/serviceaccount/model_auth_error_error.go
+++ b/services/serviceaccount/model_auth_error_error.go
@@ -51,7 +51,7 @@ func NewAuthErrorErrorWithDefaults() *AuthErrorError {
 
 // GetCode returns the Code field value
 func (o *AuthErrorError) GetCode() *int64 {
-	if o == nil {
+	if o == nil || IsNil(o.Code) {
 		var ret *int64
 		return ret
 	}
@@ -75,7 +75,7 @@ func (o *AuthErrorError) SetCode(v *int64) {
 
 // GetMessage returns the Message field value
 func (o *AuthErrorError) GetMessage() *string {
-	if o == nil {
+	if o == nil || IsNil(o.Message) {
 		var ret *string
 		return ret
 	}
@@ -99,7 +99,7 @@ func (o *AuthErrorError) SetMessage(v *string) {
 
 // GetStatus returns the Status field value
 func (o *AuthErrorError) GetStatus() *string {
-	if o == nil {
+	if o == nil || IsNil(o.Status) {
 		var ret *string
 		return ret
 	}
diff --git a/services/serviceaccount/model_create_access_token_payload.go b/services/serviceaccount/model_create_access_token_payload.go
index fcfb40a9..4a5d0b3c 100644
--- a/services/serviceaccount/model_create_access_token_payload.go
+++ b/services/serviceaccount/model_create_access_token_payload.go
@@ -46,7 +46,7 @@ func NewCreateAccessTokenPayloadWithDefaults() *CreateAccessTokenPayload {
 
 // GetTtlDays returns the TtlDays field value
 func (o *CreateAccessTokenPayload) GetTtlDays() *int64 {
-	if o == nil {
+	if o == nil || IsNil(o.TtlDays) {
 		var ret *int64
 		return ret
 	}
diff --git a/services/serviceaccount/model_create_service_account_key_response.go b/services/serviceaccount/model_create_service_account_key_response.go
index 130def2b..ce1e42ed 100644
--- a/services/serviceaccount/model_create_service_account_key_response.go
+++ b/services/serviceaccount/model_create_service_account_key_response.go
@@ -72,7 +72,7 @@ func NewCreateServiceAccountKeyResponseWithDefaults() *CreateServiceAccountKeyRe
 
 // GetActive returns the Active field value
 func (o *CreateServiceAccountKeyResponse) GetActive() *bool {
-	if o == nil {
+	if o == nil || IsNil(o.Active) {
 		var ret *bool
 		return ret
 	}
@@ -96,7 +96,7 @@ func (o *CreateServiceAccountKeyResponse) SetActive(v *bool) {
 
 // GetCreatedAt returns the CreatedAt field value
 func (o *CreateServiceAccountKeyResponse) GetCreatedAt() *time.Time {
-	if o == nil {
+	if o == nil || IsNil(o.CreatedAt) {
 		var ret *time.Time
 		return ret
 	}
@@ -120,7 +120,7 @@ func (o *CreateServiceAccountKeyResponse) SetCreatedAt(v *time.Time) {
 
 // GetCredentials returns the Credentials field value
 func (o *CreateServiceAccountKeyResponse) GetCredentials() *CreateServiceAccountKeyResponseCredentials {
-	if o == nil {
+	if o == nil || IsNil(o.Credentials) {
 		var ret *CreateServiceAccountKeyResponseCredentials
 		return ret
 	}
@@ -144,7 +144,7 @@ func (o *CreateServiceAccountKeyResponse) SetCredentials(v *CreateServiceAccount
 
 // GetId returns the Id field value
 func (o *CreateServiceAccountKeyResponse) GetId() *string {
-	if o == nil {
+	if o == nil || IsNil(o.Id) {
 		var ret *string
 		return ret
 	}
@@ -168,7 +168,7 @@ func (o *CreateServiceAccountKeyResponse) SetId(v *string) {
 
 // GetKeyAlgorithm returns the KeyAlgorithm field value
 func (o *CreateServiceAccountKeyResponse) GetKeyAlgorithm() *string {
-	if o == nil {
+	if o == nil || IsNil(o.KeyAlgorithm) {
 		var ret *string
 		return ret
 	}
@@ -192,7 +192,7 @@ func (o *CreateServiceAccountKeyResponse) SetKeyAlgorithm(v *string) {
 
 // GetKeyOrigin returns the KeyOrigin field value
 func (o *CreateServiceAccountKeyResponse) GetKeyOrigin() *string {
-	if o == nil {
+	if o == nil || IsNil(o.KeyOrigin) {
 		var ret *string
 		return ret
 	}
@@ -216,7 +216,7 @@ func (o *CreateServiceAccountKeyResponse) SetKeyOrigin(v *string) {
 
 // GetKeyType returns the KeyType field value
 func (o *CreateServiceAccountKeyResponse) GetKeyType() *string {
-	if o == nil {
+	if o == nil || IsNil(o.KeyType) {
 		var ret *string
 		return ret
 	}
@@ -240,7 +240,7 @@ func (o *CreateServiceAccountKeyResponse) SetKeyType(v *string) {
 
 // GetPublicKey returns the PublicKey field value
 func (o *CreateServiceAccountKeyResponse) GetPublicKey() *string {
-	if o == nil {
+	if o == nil || IsNil(o.PublicKey) {
 		var ret *string
 		return ret
 	}
diff --git a/services/serviceaccount/model_create_service_account_key_response_credentials.go b/services/serviceaccount/model_create_service_account_key_response_credentials.go
index 752dd641..a754f218 100644
--- a/services/serviceaccount/model_create_service_account_key_response_credentials.go
+++ b/services/serviceaccount/model_create_service_account_key_response_credentials.go
@@ -60,7 +60,7 @@ func NewCreateServiceAccountKeyResponseCredentialsWithDefaults() *CreateServiceA
 
 // GetAud returns the Aud field value
 func (o *CreateServiceAccountKeyResponseCredentials) GetAud() *string {
-	if o == nil {
+	if o == nil || IsNil(o.Aud) {
 		var ret *string
 		return ret
 	}
@@ -84,7 +84,7 @@ func (o *CreateServiceAccountKeyResponseCredentials) SetAud(v *string) {
 
 // GetIss returns the Iss field value
 func (o *CreateServiceAccountKeyResponseCredentials) GetIss() *string {
-	if o == nil {
+	if o == nil || IsNil(o.Iss) {
 		var ret *string
 		return ret
 	}
@@ -108,7 +108,7 @@ func (o *CreateServiceAccountKeyResponseCredentials) SetIss(v *string) {
 
 // GetKid returns the Kid field value
 func (o *CreateServiceAccountKeyResponseCredentials) GetKid() *string {
-	if o == nil {
+	if o == nil || IsNil(o.Kid) {
 		var ret *string
 		return ret
 	}
@@ -164,7 +164,7 @@ func (o *CreateServiceAccountKeyResponseCredentials) SetPrivateKey(v *string) {
 
 // GetSub returns the Sub field value
 func (o *CreateServiceAccountKeyResponseCredentials) GetSub() *string {
-	if o == nil {
+	if o == nil || IsNil(o.Sub) {
 		var ret *string
 		return ret
 	}
diff --git a/services/serviceaccount/model_create_service_account_payload.go b/services/serviceaccount/model_create_service_account_payload.go
index 2f497737..8169451a 100644
--- a/services/serviceaccount/model_create_service_account_payload.go
+++ b/services/serviceaccount/model_create_service_account_payload.go
@@ -46,7 +46,7 @@ func NewCreateServiceAccountPayloadWithDefaults() *CreateServiceAccountPayload {
 
 // GetName returns the Name field value
 func (o *CreateServiceAccountPayload) GetName() *string {
-	if o == nil {
+	if o == nil || IsNil(o.Name) {
 		var ret *string
 		return ret
 	}
diff --git a/services/serviceaccount/model_create_short_lived_access_token_response.go b/services/serviceaccount/model_create_short_lived_access_token_response.go
index 3b39e93a..8e7457fd 100644
--- a/services/serviceaccount/model_create_short_lived_access_token_response.go
+++ b/services/serviceaccount/model_create_short_lived_access_token_response.go
@@ -60,7 +60,7 @@ func NewCreateShortLivedAccessTokenResponseWithDefaults() *CreateShortLivedAcces
 
 // GetAccessToken returns the AccessToken field value
 func (o *CreateShortLivedAccessTokenResponse) GetAccessToken() *string {
-	if o == nil {
+	if o == nil || IsNil(o.AccessToken) {
 		var ret *string
 		return ret
 	}
@@ -84,7 +84,7 @@ func (o *CreateShortLivedAccessTokenResponse) SetAccessToken(v *string) {
 
 // GetExpiresIn returns the ExpiresIn field value
 func (o *CreateShortLivedAccessTokenResponse) GetExpiresIn() *int64 {
-	if o == nil {
+	if o == nil || IsNil(o.ExpiresIn) {
 		var ret *int64
 		return ret
 	}
@@ -108,7 +108,7 @@ func (o *CreateShortLivedAccessTokenResponse) SetExpiresIn(v *int64) {
 
 // GetRefreshToken returns the RefreshToken field value
 func (o *CreateShortLivedAccessTokenResponse) GetRefreshToken() *string {
-	if o == nil {
+	if o == nil || IsNil(o.RefreshToken) {
 		var ret *string
 		return ret
 	}
@@ -132,7 +132,7 @@ func (o *CreateShortLivedAccessTokenResponse) SetRefreshToken(v *string) {
 
 // GetScope returns the Scope field value
 func (o *CreateShortLivedAccessTokenResponse) GetScope() *string {
-	if o == nil {
+	if o == nil || IsNil(o.Scope) {
 		var ret *string
 		return ret
 	}
@@ -156,7 +156,7 @@ func (o *CreateShortLivedAccessTokenResponse) SetScope(v *string) {
 
 // GetTokenType returns the TokenType field value
 func (o *CreateShortLivedAccessTokenResponse) GetTokenType() *string {
-	if o == nil {
+	if o == nil || IsNil(o.TokenType) {
 		var ret *string
 		return ret
 	}
diff --git a/services/serviceaccount/model_error.go b/services/serviceaccount/model_error.go
index dce3b130..1427ea17 100644
--- a/services/serviceaccount/model_error.go
+++ b/services/serviceaccount/model_error.go
@@ -58,7 +58,7 @@ func NewErrorWithDefaults() *Error {
 
 // GetError returns the Error field value
 func (o *Error) GetError() *string {
-	if o == nil {
+	if o == nil || IsNil(o.Error) {
 		var ret *string
 		return ret
 	}
@@ -82,7 +82,7 @@ func (o *Error) SetError(v *string) {
 
 // GetMessage returns the Message field value
 func (o *Error) GetMessage() *string {
-	if o == nil {
+	if o == nil || IsNil(o.Message) {
 		var ret *string
 		return ret
 	}
@@ -106,7 +106,7 @@ func (o *Error) SetMessage(v *string) {
 
 // GetPath returns the Path field value
 func (o *Error) GetPath() *string {
-	if o == nil {
+	if o == nil || IsNil(o.Path) {
 		var ret *string
 		return ret
 	}
@@ -130,7 +130,7 @@ func (o *Error) SetPath(v *string) {
 
 // GetStatus returns the Status field value
 func (o *Error) GetStatus() *int64 {
-	if o == nil {
+	if o == nil || IsNil(o.Status) {
 		var ret *int64
 		return ret
 	}
@@ -154,7 +154,7 @@ func (o *Error) SetStatus(v *int64) {
 
 // GetTimeStamp returns the TimeStamp field value
 func (o *Error) GetTimeStamp() *time.Time {
-	if o == nil {
+	if o == nil || IsNil(o.TimeStamp) {
 		var ret *time.Time
 		return ret
 	}
diff --git a/services/serviceaccount/model_get_service_account_key_response.go b/services/serviceaccount/model_get_service_account_key_response.go
index 1cf85d27..5b1f003c 100644
--- a/services/serviceaccount/model_get_service_account_key_response.go
+++ b/services/serviceaccount/model_get_service_account_key_response.go
@@ -70,7 +70,7 @@ func NewGetServiceAccountKeyResponseWithDefaults() *GetServiceAccountKeyResponse
 
 // GetActive returns the Active field value
 func (o *GetServiceAccountKeyResponse) GetActive() *bool {
-	if o == nil {
+	if o == nil || IsNil(o.Active) {
 		var ret *bool
 		return ret
 	}
@@ -94,7 +94,7 @@ func (o *GetServiceAccountKeyResponse) SetActive(v *bool) {
 
 // GetCreatedAt returns the CreatedAt field value
 func (o *GetServiceAccountKeyResponse) GetCreatedAt() *time.Time {
-	if o == nil {
+	if o == nil || IsNil(o.CreatedAt) {
 		var ret *time.Time
 		return ret
 	}
@@ -118,7 +118,7 @@ func (o *GetServiceAccountKeyResponse) SetCreatedAt(v *time.Time) {
 
 // GetCredentials returns the Credentials field value
 func (o *GetServiceAccountKeyResponse) GetCredentials() *GetServiceAccountKeyResponseCredentials {
-	if o == nil {
+	if o == nil || IsNil(o.Credentials) {
 		var ret *GetServiceAccountKeyResponseCredentials
 		return ret
 	}
@@ -142,7 +142,7 @@ func (o *GetServiceAccountKeyResponse) SetCredentials(v *GetServiceAccountKeyRes
 
 // GetId returns the Id field value
 func (o *GetServiceAccountKeyResponse) GetId() *string {
-	if o == nil {
+	if o == nil || IsNil(o.Id) {
 		var ret *string
 		return ret
 	}
@@ -166,7 +166,7 @@ func (o *GetServiceAccountKeyResponse) SetId(v *string) {
 
 // GetKeyAlgorithm returns the KeyAlgorithm field value
 func (o *GetServiceAccountKeyResponse) GetKeyAlgorithm() *string {
-	if o == nil {
+	if o == nil || IsNil(o.KeyAlgorithm) {
 		var ret *string
 		return ret
 	}
@@ -190,7 +190,7 @@ func (o *GetServiceAccountKeyResponse) SetKeyAlgorithm(v *string) {
 
 // GetKeyOrigin returns the KeyOrigin field value
 func (o *GetServiceAccountKeyResponse) GetKeyOrigin() *string {
-	if o == nil {
+	if o == nil || IsNil(o.KeyOrigin) {
 		var ret *string
 		return ret
 	}
@@ -214,7 +214,7 @@ func (o *GetServiceAccountKeyResponse) SetKeyOrigin(v *string) {
 
 // GetKeyType returns the KeyType field value
 func (o *GetServiceAccountKeyResponse) GetKeyType() *string {
-	if o == nil {
+	if o == nil || IsNil(o.KeyType) {
 		var ret *string
 		return ret
 	}
diff --git a/services/serviceaccount/model_get_service_account_key_response_credentials.go b/services/serviceaccount/model_get_service_account_key_response_credentials.go
index d6274d24..d841182a 100644
--- a/services/serviceaccount/model_get_service_account_key_response_credentials.go
+++ b/services/serviceaccount/model_get_service_account_key_response_credentials.go
@@ -58,7 +58,7 @@ func NewGetServiceAccountKeyResponseCredentialsWithDefaults() *GetServiceAccount
 
 // GetAud returns the Aud field value
 func (o *GetServiceAccountKeyResponseCredentials) GetAud() *string {
-	if o == nil {
+	if o == nil || IsNil(o.Aud) {
 		var ret *string
 		return ret
 	}
@@ -82,7 +82,7 @@ func (o *GetServiceAccountKeyResponseCredentials) SetAud(v *string) {
 
 // GetIss returns the Iss field value
 func (o *GetServiceAccountKeyResponseCredentials) GetIss() *string {
-	if o == nil {
+	if o == nil || IsNil(o.Iss) {
 		var ret *string
 		return ret
 	}
@@ -106,7 +106,7 @@ func (o *GetServiceAccountKeyResponseCredentials) SetIss(v *string) {
 
 // GetKid returns the Kid field value
 func (o *GetServiceAccountKeyResponseCredentials) GetKid() *string {
-	if o == nil {
+	if o == nil || IsNil(o.Kid) {
 		var ret *string
 		return ret
 	}
@@ -130,7 +130,7 @@ func (o *GetServiceAccountKeyResponseCredentials) SetKid(v *string) {
 
 // GetSub returns the Sub field value
 func (o *GetServiceAccountKeyResponseCredentials) GetSub() *string {
-	if o == nil {
+	if o == nil || IsNil(o.Sub) {
 		var ret *string
 		return ret
 	}
diff --git a/services/serviceaccount/model_jwk.go b/services/serviceaccount/model_jwk.go
index c976ed85..ced812b8 100644
--- a/services/serviceaccount/model_jwk.go
+++ b/services/serviceaccount/model_jwk.go
@@ -89,7 +89,7 @@ func (o *JWK) SetAlg(v *string) {
 
 // GetE returns the E field value
 func (o *JWK) GetE() *string {
-	if o == nil {
+	if o == nil || IsNil(o.E) {
 		var ret *string
 		return ret
 	}
@@ -177,7 +177,7 @@ func (o *JWK) SetKs(v *string) {
 
 // GetN returns the N field value
 func (o *JWK) GetN() *string {
-	if o == nil {
+	if o == nil || IsNil(o.N) {
 		var ret *string
 		return ret
 	}
diff --git a/services/serviceaccount/model_jwks.go b/services/serviceaccount/model_jwks.go
index e3c3901f..e6ee232a 100644
--- a/services/serviceaccount/model_jwks.go
+++ b/services/serviceaccount/model_jwks.go
@@ -45,7 +45,7 @@ func NewJWKSWithDefaults() *JWKS {
 
 // GetKeys returns the Keys field value
 func (o *JWKS) GetKeys() *[]JWK {
-	if o == nil {
+	if o == nil || IsNil(o.Keys) {
 		var ret *[]JWK
 		return ret
 	}
diff --git a/services/serviceaccount/model_list_service_account_keys_response.go b/services/serviceaccount/model_list_service_account_keys_response.go
index 925e9887..688382be 100644
--- a/services/serviceaccount/model_list_service_account_keys_response.go
+++ b/services/serviceaccount/model_list_service_account_keys_response.go
@@ -45,7 +45,7 @@ func NewListServiceAccountKeysResponseWithDefaults() *ListServiceAccountKeysResp
 
 // GetItems returns the Items field value
 func (o *ListServiceAccountKeysResponse) GetItems() *[]ServiceAccountKeyListResponse {
-	if o == nil {
+	if o == nil || IsNil(o.Items) {
 		var ret *[]ServiceAccountKeyListResponse
 		return ret
 	}
diff --git a/services/serviceaccount/model_list_service_accounts_response.go b/services/serviceaccount/model_list_service_accounts_response.go
index c1ba34ce..82195124 100644
--- a/services/serviceaccount/model_list_service_accounts_response.go
+++ b/services/serviceaccount/model_list_service_accounts_response.go
@@ -45,7 +45,7 @@ func NewListServiceAccountsResponseWithDefaults() *ListServiceAccountsResponse {
 
 // GetItems returns the Items field value
 func (o *ListServiceAccountsResponse) GetItems() *[]ServiceAccount {
-	if o == nil {
+	if o == nil || IsNil(o.Items) {
 		var ret *[]ServiceAccount
 		return ret
 	}
diff --git a/services/serviceaccount/model_partial_update_service_account_key_response.go b/services/serviceaccount/model_partial_update_service_account_key_response.go
index e26278ef..034a9792 100644
--- a/services/serviceaccount/model_partial_update_service_account_key_response.go
+++ b/services/serviceaccount/model_partial_update_service_account_key_response.go
@@ -65,7 +65,7 @@ func NewPartialUpdateServiceAccountKeyResponseWithDefaults() *PartialUpdateServi
 
 // GetActive returns the Active field value
 func (o *PartialUpdateServiceAccountKeyResponse) GetActive() *bool {
-	if o == nil {
+	if o == nil || IsNil(o.Active) {
 		var ret *bool
 		return ret
 	}
@@ -89,7 +89,7 @@ func (o *PartialUpdateServiceAccountKeyResponse) SetActive(v *bool) {
 
 // GetCreatedAt returns the CreatedAt field value
 func (o *PartialUpdateServiceAccountKeyResponse) GetCreatedAt() *time.Time {
-	if o == nil {
+	if o == nil || IsNil(o.CreatedAt) {
 		var ret *time.Time
 		return ret
 	}
@@ -113,7 +113,7 @@ func (o *PartialUpdateServiceAccountKeyResponse) SetCreatedAt(v *time.Time) {
 
 // GetId returns the Id field value
 func (o *PartialUpdateServiceAccountKeyResponse) GetId() *string {
-	if o == nil {
+	if o == nil || IsNil(o.Id) {
 		var ret *string
 		return ret
 	}
@@ -137,7 +137,7 @@ func (o *PartialUpdateServiceAccountKeyResponse) SetId(v *string) {
 
 // GetKeyAlgorithm returns the KeyAlgorithm field value
 func (o *PartialUpdateServiceAccountKeyResponse) GetKeyAlgorithm() *string {
-	if o == nil {
+	if o == nil || IsNil(o.KeyAlgorithm) {
 		var ret *string
 		return ret
 	}
@@ -161,7 +161,7 @@ func (o *PartialUpdateServiceAccountKeyResponse) SetKeyAlgorithm(v *string) {
 
 // GetKeyOrigin returns the KeyOrigin field value
 func (o *PartialUpdateServiceAccountKeyResponse) GetKeyOrigin() *string {
-	if o == nil {
+	if o == nil || IsNil(o.KeyOrigin) {
 		var ret *string
 		return ret
 	}
@@ -185,7 +185,7 @@ func (o *PartialUpdateServiceAccountKeyResponse) SetKeyOrigin(v *string) {
 
 // GetKeyType returns the KeyType field value
 func (o *PartialUpdateServiceAccountKeyResponse) GetKeyType() *string {
-	if o == nil {
+	if o == nil || IsNil(o.KeyType) {
 		var ret *string
 		return ret
 	}
diff --git a/services/serviceaccount/model_service_account.go b/services/serviceaccount/model_service_account.go
index c98329b6..d26cc03d 100644
--- a/services/serviceaccount/model_service_account.go
+++ b/services/serviceaccount/model_service_account.go
@@ -58,7 +58,7 @@ func NewServiceAccountWithDefaults() *ServiceAccount {
 
 // GetEmail returns the Email field value
 func (o *ServiceAccount) GetEmail() *string {
-	if o == nil {
+	if o == nil || IsNil(o.Email) {
 		var ret *string
 		return ret
 	}
@@ -82,7 +82,7 @@ func (o *ServiceAccount) SetEmail(v *string) {
 
 // GetId returns the Id field value
 func (o *ServiceAccount) GetId() *string {
-	if o == nil {
+	if o == nil || IsNil(o.Id) {
 		var ret *string
 		return ret
 	}
@@ -106,7 +106,7 @@ func (o *ServiceAccount) SetId(v *string) {
 
 // GetInternal returns the Internal field value
 func (o *ServiceAccount) GetInternal() *bool {
-	if o == nil {
+	if o == nil || IsNil(o.Internal) {
 		var ret *bool
 		return ret
 	}
@@ -130,7 +130,7 @@ func (o *ServiceAccount) SetInternal(v *bool) {
 
 // GetProjectId returns the ProjectId field value
 func (o *ServiceAccount) GetProjectId() *string {
-	if o == nil {
+	if o == nil || IsNil(o.ProjectId) {
 		var ret *string
 		return ret
 	}
diff --git a/services/serviceaccount/model_service_account_key_list_response.go b/services/serviceaccount/model_service_account_key_list_response.go
index b2b53faf..eaf2460d 100644
--- a/services/serviceaccount/model_service_account_key_list_response.go
+++ b/services/serviceaccount/model_service_account_key_list_response.go
@@ -65,7 +65,7 @@ func NewServiceAccountKeyListResponseWithDefaults() *ServiceAccountKeyListRespon
 
 // GetActive returns the Active field value
 func (o *ServiceAccountKeyListResponse) GetActive() *bool {
-	if o == nil {
+	if o == nil || IsNil(o.Active) {
 		var ret *bool
 		return ret
 	}
@@ -89,7 +89,7 @@ func (o *ServiceAccountKeyListResponse) SetActive(v *bool) {
 
 // GetCreatedAt returns the CreatedAt field value
 func (o *ServiceAccountKeyListResponse) GetCreatedAt() *time.Time {
-	if o == nil {
+	if o == nil || IsNil(o.CreatedAt) {
 		var ret *time.Time
 		return ret
 	}
@@ -113,7 +113,7 @@ func (o *ServiceAccountKeyListResponse) SetCreatedAt(v *time.Time) {
 
 // GetId returns the Id field value
 func (o *ServiceAccountKeyListResponse) GetId() *string {
-	if o == nil {
+	if o == nil || IsNil(o.Id) {
 		var ret *string
 		return ret
 	}
@@ -137,7 +137,7 @@ func (o *ServiceAccountKeyListResponse) SetId(v *string) {
 
 // GetKeyAlgorithm returns the KeyAlgorithm field value
 func (o *ServiceAccountKeyListResponse) GetKeyAlgorithm() *string {
-	if o == nil {
+	if o == nil || IsNil(o.KeyAlgorithm) {
 		var ret *string
 		return ret
 	}
@@ -161,7 +161,7 @@ func (o *ServiceAccountKeyListResponse) SetKeyAlgorithm(v *string) {
 
 // GetKeyOrigin returns the KeyOrigin field value
 func (o *ServiceAccountKeyListResponse) GetKeyOrigin() *string {
-	if o == nil {
+	if o == nil || IsNil(o.KeyOrigin) {
 		var ret *string
 		return ret
 	}
@@ -185,7 +185,7 @@ func (o *ServiceAccountKeyListResponse) SetKeyOrigin(v *string) {
 
 // GetKeyType returns the KeyType field value
 func (o *ServiceAccountKeyListResponse) GetKeyType() *string {
-	if o == nil {
+	if o == nil || IsNil(o.KeyType) {
 		var ret *string
 		return ret
 	}