* Remove `Context::withValue()`
Creates a hidden `Scope` when called without `$parent`.
* Remove `Context::detach(Scope)`
* Remove static `Context::attach()`
* Add missing typehints
* Use loop instead of recursion
* Fix `MultiTextMapPropagator::extract()` clearing context
* Fix `TextMapPropagator::composite()` for named arguments
* Make `Context` constructor non-public
* Make `Context` and `ContextKey` final
* Fix `ArrayAccessGetterSetter`
Resolves inconsistencies in case-insensitive handling.
* Fix psalm
* Fix cannot mock final class `Context`
Revert after introducing ContextInterface?
* Apply feedback and remove obsolete parentheses
* Use psalm-suppress instead of assert
* Added B3MultiPropagater
* Added static self and removed case insensitive getter function
* Added unit tests for B3MultiPropagator class
* Refactored B3MultiPropagator and added tests in B3MultiPropagatorTest
* Added description for B3MultiPropagator
Tobias Bachert
Kishan Sangani