public resume(): void {
		this.canShowMessages = true;
		this.handler.show();

		// Release messages from buffer
		while (this.messageBuffer.length) {
			const bufferedMessage = this.messageBuffer.pop();
			bufferedMessage.disposeFn = this.show(bufferedMessage.severity, bufferedMessage.message, bufferedMessage.onHide);
		}
	}

	private doShow(sev: Severity, message: any): () => void {

		// Check flag if we can show a message now
		if (!this.canShowMessages) {
			const messageObj: IBufferedMessage = { severity: sev, message, disposeFn: () => this.messageBuffer.splice(this.messageBuffer.indexOf(messageObj), 1) };
			this.messageBuffer.push(messageObj);

			// Return function that allows to remove message from buffer
			return () => messageObj.disposeFn();
		}

		// Show in Console
		if (sev === Severity.Error) {
			console.error(toErrorMessage(message, true));
		}

		// Show in Global Handler
		return this.handler.showMessage(this.toBaseSeverity(sev), message);
	}

	public suspend(): void {
		this.canShowMessages = false;
		this.handler.hide();
	}

	public hideAll(): void {
		if (this.handler) {
			this.handler.hideMessages();
		}
	}