code: public SecurityGroup withIpPermissionsEgress(IpPermission... ipPermissionsEgress) {
          if (this.ipPermissionsEgress == null) {
              setIpPermissionsEgress(new com.amazonaws.internal.SdkInternalList<IpPermission>(ipPermissionsEgress.length));
          }
          for (IpPermission ele : ipPermissionsEgress) {
              this.ipPermissionsEgress.add(ele);
          }
          return this;
      }
docs: <p>
  [VPC only] The outbound rules associated with the security group.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setIpPermissionsEgress(java.util.Collection)} or {@link #withIpPermissionsEgress(java.util.Collection)}
  if you want to override the existing values.
  </p>
  
  @param ipPermissionsEgress
  [VPC only] The outbound rules associated with the security group.
  @return Returns a reference to this object so that method calls can be chained together.