@Nullable
	public ClassInfo getPostMappingClass(@Nonnull String preMappingName) {
		ClassPathNode postMappingPath = getPostMappingPath(preMappingName);
		if (postMappingPath == null) return null;
		return postMappingPath.getValue();
	}
@param preMappingName
		Pre-mapping name.

@return Post-mapped class info.
May be {@code null} if no the given pre-mapped name was not affected by the mapping operation.
recaf-core/src/main/java/software/coley/recaf/services/mapping/MappingResults.java