# Advanced Topics

- [Providers](https://wirebox.ortusbooks.com/2/advanced-topics/providers.md)
- [Custom Providers](https://wirebox.ortusbooks.com/2/advanced-topics/providers/custom-providers.md)
- [toProvider() closures](https://wirebox.ortusbooks.com/2/advanced-topics/providers/toprovider-closures.md)
- [Virtual Provider Injection DSL](https://wirebox.ortusbooks.com/2/advanced-topics/providers/virtual-provider-injection-dsl.md)
- [Virtual Provider Mapping](https://wirebox.ortusbooks.com/2/advanced-topics/providers/virtual-provider-mapping.md)
- [Virtual Provider Lookup Methods](https://wirebox.ortusbooks.com/2/advanced-topics/providers/virtual-provider-lookup-methods.md)
- [Provider onMissingMethod Proxy](https://wirebox.ortusbooks.com/2/advanced-topics/providers/provider-onmissingmethod-proxy.md)
- [Scope Widening Injection](https://wirebox.ortusbooks.com/2/advanced-topics/providers/scope-widening-injection.md)
- [Virtual Inheritance](https://wirebox.ortusbooks.com/2/advanced-topics/virtual-inheritance.md)
- [Runtime Mixins()](https://wirebox.ortusbooks.com/2/advanced-topics/runtime-mixins.md)
- [Object Persistence & Thread Safety](https://wirebox.ortusbooks.com/2/advanced-topics/object-persistence-and-thread-safety.md)
- [ORM Entity Injection](https://wirebox.ortusbooks.com/2/advanced-topics/orm-entity-injection.md)
- [WireBox Object Populator](https://wirebox.ortusbooks.com/2/advanced-topics/wirebox-object-populator.md)
- [populateFromXML](https://wirebox.ortusbooks.com/2/advanced-topics/wirebox-object-populator/populatefromxml.md)
- [populateFromQuery](https://wirebox.ortusbooks.com/2/advanced-topics/wirebox-object-populator/populatefromquery.md)
- [populateFromStruct](https://wirebox.ortusbooks.com/2/advanced-topics/wirebox-object-populator/populatefromstruct.md)
- [populateFromQueryWithPrefix](https://wirebox.ortusbooks.com/2/advanced-topics/wirebox-object-populator/populatefromquerywithprefix.md)
- [populateFromJSON](https://wirebox.ortusbooks.com/2/advanced-topics/wirebox-object-populator/populatefromjson.md)


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