// SetMasterUsername sets the MasterUsername field's value.
487695
func (s *DBInstance) SetMasterUsername(v string) *DBInstance {
	s.MasterUsername = &v
	return s
}
701982
func (s *InputSourceRequest) SetUsername(v string) *InputSourceRequest {
	s.Username = &v
	return s
}
1057822
func (s *RelationalDatabase) SetMasterUsername(v string) *RelationalDatabase {
	s.MasterUsername = &v
	return s
}
375846
func (s *Endpoint) SetUsername(v string) *Endpoint {
	s.Username = &v
	return s
}
927910
func (s *RedshiftDestinationDescription) SetUsername(v string) *RedshiftDestinationDescription {
	s.Username = &v
	return s
}
611121
func (s *GetUserInput) SetUserName(v string) *GetUserInput {
	s.UserName = &v
	return s
}
415367
func (s *ConfirmSignUpInput) SetUsername(v string) *ConfirmSignUpInput {
	s.Username = &v
	return s
}
58266
func (s *ServiceSpecificCredentialMetadata) SetUserName(v string) *ServiceSpecificCredentialMetadata {
	s.UserName = &v
	return s
}
362353
func (s *PendingModifiedValues) SetMasterUserPassword(v string) *PendingModifiedValues {
	s.MasterUserPassword = &v
	return s
}
1360938
func (s *AccessKeyDetails) SetUserName(v string) *AccessKeyDetails {
	s.UserName = &v
	return s
}
666218
func (s *ResetUserPasswordInput) SetUserName(v string) *ResetUserPasswordInput {
	s.UserName = &v
	return s
}
1003512
func (s *ListSigningCertificatesInput) SetUserName(v string) *ListSigningCertificatesInput {
	s.UserName = &v
	return s
}
405622
func (s *ModifyDBInstanceInput) SetMasterUserPassword(v string) *ModifyDBInstanceInput {
	s.MasterUserPassword = &v
	return s
}
513104
func (s *ImportSshPublicKeyInput) SetUserName(v string) *ImportSshPublicKeyInput {
	s.UserName = &v
	return s
}
21248
func (s *Cluster) SetMasterUsername(v string) *Cluster {
	s.MasterUsername = &v
	return s
}
289177
func (s *ServiceSpecificCredential) SetUserName(v string) *ServiceSpecificCredential {
	s.UserName = &v
	return s
}
875575
func (s *AwsIamAccessKeyDetails) SetUserName(v string) *AwsIamAccessKeyDetails {
	s.UserName = &v
	return s
}