src/vs/workbench/contrib/preferences/browser/keybindingsEditor.ts/KeybindingsEditor/reportFilteringUsed
class KeybindingsEditor:	private reportFilteringUsed(filter: string): void {
		if (filter) {
			const data = {
				filter,
				emptyFilters: this.getLatestEmptyFiltersForTelemetry()
			};
			this.latestEmptyFilters = [];
			/* __GDPR__
				"keybindings.filter" : {
					"filter": { "classification": "CustomerContent", "purpose": "FeatureInsight" },
					"emptyFilters" : { "classification": "SystemMetaData", "purpose": "FeatureInsight" }
				}
			*/
			this.telemetryService.publicLog('keybindings.filter', data);
		}
	}