Used to set a value for this `Contextual`

- `Anything`
  - `Object`
    - `Basic` ...and other supertypes
      - `Contextual.Using` ...and other supertypes

- `Contextual.Using`
  - `Basic`
    - `Identifiable`
    - `Object`
      - `Anything`
  - `Obtainable`
    - `Usable`

no subtypes hierarchy

Initializer
`Using(Element|Element() newValue)`

Inherited Attributes
Attributes inherited from: `Object` `hash`, `string`

Methods
`obtain` | Source Code `shared actual void obtain()` Obtain this resource. Called before the body of a `try` statement is executed. If an exception is thrown by `obtain()`, then `release()` will not be called. Refines `Obtainable.obtain`
`release` | Source Code `shared actual void release(Throwable? error)` Release this resource. Called when execution of the body of a `try` statement ends, even if an exception propagates out of the body of the `try`. Refines `Obtainable.release`

Inherited Methods
Methods inherited from: `Object` `equals()`
Methods inherited from: `Obtainable` `obtain()`, `release()`