code: public Layer withCustomSecurityGroupIds(String... customSecurityGroupIds) {
          if (this.customSecurityGroupIds == null) {
              setCustomSecurityGroupIds(new com.amazonaws.internal.SdkInternalList<String>(customSecurityGroupIds.length));
          }
          for (String ele : customSecurityGroupIds) {
              this.customSecurityGroupIds.add(ele);
          }
          return this;
      }
docs: <p>
  An array containing the layer's custom security group IDs.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setCustomSecurityGroupIds(java.util.Collection)} or
  {@link #withCustomSecurityGroupIds(java.util.Collection)} if you want to override the existing values.
  </p>
  
  @param customSecurityGroupIds
  An array containing the layer's custom security group IDs.
  @return Returns a reference to this object so that method calls can be chained together.