@Override
	public FSRL getFSRL() {
		return fsrl;
	}
Constructs a {@link ByteProviderWrapper} around the specified {@link ByteProvider},
constrained to a subsection of the provider.

@param provider the {@link ByteProvider} to wrap
@param subOffset the offset in the {@link ByteProvider} of where to start the new
  {@link ByteProviderWrapper} 
@param subLength the length of the new {@link ByteProviderWrapper} 
@param fsrl {@link FSRL} identity of the file this ByteProvider represents
Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/ByteProviderWrapper.java