src/vs/platform/assignment/common/assignment.ts/AssignmentFilterProvider/getFilters
class AssignmentFilterProvider:	getFilters(): Map<string, any> {
		const filters: Map<string, any> = new Map<string, any>();
		const filterValues = Object.values(Filters);
		for (const value of filterValues) {
			filters.set(value, this.getFilterValue(value));
		}

		return filters;
	}