public boolean registerRangeMatcher(@Nonnull String id, @Nonnull RangeNumberMatcher matcher) {
		return rangeNumberMatchers.putIfAbsent(id, matcher) == null;
	}
@param id
		Unique ID to register with.
@param matcher
		Matcher implementation.

@return {@code true} on success. {@code false} if the ID is already in-use.
recaf-core/src/main/java/software/coley/recaf/services/search/match/NumberPredicateProvider.java