@Nullable
		@Override
		public String getOriginalResource() {
			return null;
		}
Creates a new {@code ResourceRef} instance for the given resource string. It
does this by using a default resource resolver to resolve the resource string
to a file.

@param resource the resource string used to create the resource reference
@return a {@code ResourceRef} instance representing the specified resource
        string
src/main/java/dev/jbang/source/ResourceRef.java