src/vs/workbench/contrib/terminal/browser/xterm/decorationAddon.ts/DecorationAddon/_dispose
class DecorationAddon:	private _dispose(): void {
		this._terminalDecorationHoverService.dispose();
		for (const disposable of this._capabilityDisposables.values()) {
			dispose(disposable);
		}
		this.clearDecorations();
	}