private void initHashingOutputStream() throws IOException {
			try {
				hos = new HashingOutputStream(delegate, HashUtilities.MD5_ALGORITHM);
			}
			catch (NoSuchAlgorithmException e) {
				throw new IOException("Error getting MD5 algo", e);
			}
		}
Allows creating {@link FileCacheEntry file cache entries} at the caller's convenience.
Ghidra/Features/Base/src/main/java/ghidra/formats/gfilesystem/FileCache.java