<!-- !! Important !! Before reporting a bug, please turn off ignoreCompilerErrors and ensure you can still reproduce the issue. If there are compiler errors, the TypeScript compiler API will not always behave correctly, and may lead to TypeDoc not working. --> ## Search terms <!-- Include keywords that might help others with the same problem find this issue --> readonly, keyof ## Expected Behavior <!-- How did you expect Typedoc to work? --> For the following code: ```ts export const a: readonly string[] = []; ``` typedoc should export: ``` a: readonly string[] = [] ``` ## Actual Behavior <!-- What does Typedoc fail to do? --> typedoc exports: ``` a: keyof string[] = [] ```  ## Steps to reproduce the bug <!-- If possible, please create a *minimal* repo reproducing your problem and link it. If this is not possible, include at least: 1. Installed packages + versions 2. The code TypeDoc doesn't work on 3. tsconfig.json 4. How you are running TypeDoc + any relevant configuration files --> ## Environment - Typedoc version: 0.17.8 - TypeScript version: 3.9.6 - Node.js version: 14.4.0 - OS: macOS 10.15.4