src/vs/base/parts/ipc/common/ipc.net.ts/LoadEstimator/constructor
class LoadEstimator:	constructor() {
		this.lastRuns = [];
		const now = Date.now();
		for (let i = 0; i < LoadEstimator._HISTORY_LENGTH; i++) {
			this.lastRuns[i] = now - 1000 * i;
		}
		setInterval(() => {
			for (let i = LoadEstimator._HISTORY_LENGTH; i >= 1; i--) {
				this.lastRuns[i] = this.lastRuns[i - 1];
			}
			this.lastRuns[0] = Date.now();
		}, 1000);
	}