You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: _virtual_interface.rs
    path of file: ./repos/aws-sdk-rust/sdk/directconnect/src/types
    
    the code of the file until where you have to start completion: // Code generated by software.amazon.smithy.rust.codegen.smithy-rs. DO NOT EDIT.

/// <p>Information about a virtual interface.</p>
#[non_exhaustive]
#[derive(::std::clone::Clone, ::std::cmp::PartialEq, ::std::fmt::Debug)]
pub struct VirtualInterface {
    /// <p>The ID of the Amazon Web Services account that owns the virtual interface.</p>
    pub owner_account: ::std::option::Option<::std::string::String>,
    /// <p>The ID of the virtual interface.</p>
    pub virtual_interface_id: ::std::option::Option<::std::string::String>,
    /// <p>The location of the connection.</p>
    pub location: ::std::option::Option<::std::string::String>,
    /// <p>The ID of the connection.</p>
    pub connection_id: ::std::option::Option<::std::string::String>,
    /// <p>The type of virtual interface. The possible values are <code>private</code> and <code>public</code>.</p>
    pub virtual_interface_type: ::std::option::Option<::std::string::String>,
    /// <p>The name of the virtual interface assigned by the customer network. The name has a maximum of 100 characters. The following are valid characters: a-z, 0-9 and a hyphen (-).</p>
    pub virtual_interface_name: ::std::option::Option<::std::string::String>,
    /// <p>The ID of 
    
    pub fn build(self) -> crate::types::VirtualInterface {
        crate::types::VirtualInterface {
            owner_account: self.owner_account,
            virtual_interface_id: self.virtual_interface_id,
            location: self.location,
            connection_id: self.connection_id,
            virtual_interface_type: self.virtual_interface_type,
            virtual_interface_name: self.virtual_interface_name,
            vlan: self.vlan.unwrap_or_default(),
            asn: self.asn.unwrap_or_default(),
            amazon_side_asn: self.amazon_side_asn,
            auth_key: self.auth_key,
            amazon_address: self.amazon_address,
            customer_address: self.customer_address,
            address_family: self.address_family,
            virtual_interface_state: self.virtual_interface_state,
            customer_router_config: self.customer_router_config,
            mtu: self.mtu,
            jumbo_frame_capable: self.jumbo_frame_capable,
            virtual_gateway_id: self.virtual_gateway_id,
            direct_connect_gateway_id: self.direct_connect_gateway_id,
            route_filter_prefixes: self.route_filter_prefixes,
            bgp_peers: self.bgp_peers,
            region: self.region,
            aws_device_v2: self.aws_device_v2,
            aws_logical_device_id: self.aws_logical_device_id,
            tags: self.tags,
            site_link_enabled: self.site_link_enabled,
        }
    }