makeOutdated(segments) {
		for (const segment of segments) {
			const info = this.info.get(segment);

			if (info) {
				info.freshReadVariables.forEach(
					Set.prototype.add,
					info.outdatedReadVariables,
				);
				info.freshReadVariables.clear();
			}
		}
	}
Move `freshReadVariables` to `outdatedReadVariables`.
@param {PathSegment[]} segments The segments to process.
@returns {void}