> ## Documentation Index > Fetch the complete documentation index at: https://cdktn.io/docs/llms.txt > Use this file to discover all available pages before exploring further. # CSharp: DefaultTokenResolver > CDKTN Core API Reference for DefaultTokenResolver in CSharp. * *Implements:* ITokenResolver Default resolver implementation. ## Initializers ```csharp theme={null} using Io.Cdktn; new DefaultTokenResolver(IFragmentConcatenator Concat); ``` | **Name** | **Type** | **Description** | | ------------------------------------------------------------------------------------------ | ----------------------------------------------------------------------------- | ----------------- | | Concat | IFragmentConcatenator | *No description.* | *** ### `Concat`^Required * *Type:* IFragmentConcatenator *** ## Methods | **Name** | **Description** | | ------------------------------------------------------------------------------------------ | ----------------------------------- | | ResolveList | Resolves a list of string. | | ResolveMap | Resolves a map token. | | ResolveNumberList | Resolves a list of numbers. | | ResolveString | Resolve string fragments to Tokens. | | ResolveToken | Default Token resolution. | *** ### `ResolveList` ```csharp theme={null} private object ResolveList(string[] Xs, IResolveContext Context) ``` Resolves a list of string. #### `Xs`^Required * *Type:* string\[] *** #### `Context`^Required * *Type:* IResolveContext *** ### `ResolveMap` ```csharp theme={null} private object ResolveMap(System.Collections.Generic.IDictionary Xs, IResolveContext Context) ``` Resolves a map token. #### `Xs`^Required * *Type:* System.Collections.Generic.IDictionary\< string, object > *** #### `Context`^Required * *Type:* IResolveContext *** ### `ResolveNumberList` ```csharp theme={null} private object ResolveNumberList(double[] Xs, IResolveContext Context) ``` Resolves a list of numbers. #### `Xs`^Required * *Type:* double\[] *** #### `Context`^Required * *Type:* IResolveContext *** ### `ResolveString` ```csharp theme={null} private object ResolveString(TokenizedStringFragments Fragments, IResolveContext Context) ``` Resolve string fragments to Tokens. #### `Fragments`^Required * *Type:* TokenizedStringFragments *** #### `Context`^Required * *Type:* IResolveContext *** ### `ResolveToken` ```csharp theme={null} private object ResolveToken(IResolvable T, IResolveContext Context, IPostProcessor PostProcessor) ``` Default Token resolution. Resolve the Token, recurse into whatever it returns, then finally post-process it. #### `T`^Required * *Type:* IResolvable *** #### `Context`^Required * *Type:* IResolveContext *** #### `PostProcessor`^Required * *Type:* IPostProcessor ***