src/vs/workbench/contrib/debug/browser/debugEditorContribution.ts/DebugEditorContribution/showHover
class DebugEditorContribution:	async showHover(position: Position, focus: boolean): Promise<void> {
		const sf = this.debugService.getViewModel().focusedStackFrame;
		const model = this.editor.getModel();
		if (sf && model && this.uriIdentityService.extUri.isEqual(sf.source.uri, model.uri) && !this.altPressed) {
			return this.hoverWidget.showAt(position, focus);
		}
	}