A extends B relation break after wrapping by extra interface · Issue #39545 · microsoft/TypeScript · GitHub

Mixin base requires explicit type in TS 4.3 due to recursively

TS2448 used before its declaration error for recursive function

Error TS2320 when interface extends interface that has optional

CS61B 2018 Lecture 9 Extends, Casting, Higher Order Functions

Mapped conditional type leaks unbound type parameter · Issue

How do I get around this Subject incorrectly extends Observable

class MyArray extends Array broken in Typescript 2.1.5

TypeScript 4.0 causes unsolvable TS2611 error for properties

Extending TypeScript Interfaces and Type Aliases with common

error TS4020: 'extends' clause of exported class 'SampleNewClass

Suggestion: Interface extend generic type · Issue #2225