extensions/references-view/src/references/model.ts/ReferenceItem/asCopyText
class ReferenceItem:	async asCopyText() {
		const doc = await this.getDocument();
		const chunks = getPreviewChunks(doc, this.location.range, 21, false);
		return `${this.location.range.start.line + 1}, ${this.location.range.start.character + 1}: ${chunks.before + chunks.inside + chunks.after}`;
	}