extensions/typescript-language-features/src/languageFeatures/callHierarchy.ts/fromProtocolCallHierarchyOutgoingCall
function fromProtocolCallHierarchyOutgoingCall(item: Proto.CallHierarchyOutgoingCall): vscode.CallHierarchyOutgoingCall {
	return new vscode.CallHierarchyOutgoingCall(
		fromProtocolCallHierarchyItem(item.to),
		item.fromSpans.map(typeConverters.Range.fromTextSpan)
	);
}