extensions/references-view/src/tree.ts/HistoryItem/constructor
class HistoryItem:	constructor(
		readonly key: string,
		readonly word: string,
		readonly anchor: WordAnchor,
		readonly input: SymbolTreeInput<unknown>,
	) {
		this.description = `${vscode.workspace.asRelativePath(input.location.uri)} • ${input.title.toLocaleLowerCase()}`;
	}