public UpdateDirectConnectGatewayAssociationRequest withAddAllowedPrefixesToDirectConnectGateway(
            RouteFilterPrefix... addAllowedPrefixesToDirectConnectGateway) {
        if (this.addAllowedPrefixesToDirectConnectGateway == null) {
            setAddAllowedPrefixesToDirectConnectGateway(new com.amazonaws.internal.SdkInternalList<RouteFilterPrefix>(
                    addAllowedPrefixesToDirectConnectGateway.length));
        }
        for (RouteFilterPrefix ele : addAllowedPrefixesToDirectConnectGateway) {
            this.addAllowedPrefixesToDirectConnectGateway.add(ele);
        }
        return this;
    }
<p>
The Amazon VPC prefixes to advertise to the Direct Connect gateway.
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setAddAllowedPrefixesToDirectConnectGateway(java.util.Collection)} or
{@link #withAddAllowedPrefixesToDirectConnectGateway(java.util.Collection)} if you want to override the existing
values.
</p>

@param addAllowedPrefixesToDirectConnectGateway
       The Amazon VPC prefixes to advertise to the Direct Connect gateway.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-directconnect/src/main/java/com/amazonaws/services/directconnect/model/UpdateDirectConnectGatewayAssociationRequest.java