}

        @Override
        public void putBytes(byte[] bytes) {
            hasher.putInt(bytes.length);
            hasher.putBytes(bytes);
        }

        @Override
        public void putBytes(byte[] bytes, int off, int len) {
            hasher.putInt(len);
            hasher.putBytes(bytes, off, len);
        }

        @Override

                return Arrays.toString((byte[]) array);
            }

            @Override
            public void appendTo(Hasher hasher, Object array) {
                hasher.putBytes((byte[]) array);
            }

            @Override
            public void encode(Encoder encoder, Object array) throws IOException {
                encoder.writeBinary((byte[]) array);
            }

        get() = secretKey != null

    override val encryptionKeyHashCode: HashCode by lazy {
        secretKey?.let {
            Hashing.sha512().newHasher().apply {
                putBytes(it.encoded)
                putString(encryptionAlgorithm.transformation)
            }.hash()
        } ?: Hashing.newHasher().hash()
    }

    private
    fun shouldEncryptStreams(stateType: StateType) =

        @Override
        public byte[] toByteArray() {
            return bytes.clone();
        }

        @Override
        void appendToHasher(PrimitiveHasher hasher) {
            hasher.putBytes(bytes);
        }

        @Override
        public int hashCode() {
            return (bytes[0] & 0xFF)
                | ((bytes[1] & 0xFF) << 8)
                | ((bytes[2] & 0xFF) << 16)

		return out, size, err
	}

	// Add to cache index.
	return out, size, c.putIndexEntry(id, out, size, allowVerify)
}

// PutBytes stores the given bytes in the cache as the output for the action ID.
func PutBytes(c Cache, id ActionID, data []byte) error {
	_, _, err := c.Put(id, bytes.NewReader(data))
	return err
}

// copyFile copies file into the cache, expecting it to have the given

		}
		if cfg.BuildN {
			return nil
		}
	}

	c := cache.Default()

	// Cache output from compile/link, even if we don't do the rest.
	switch a.Mode {
	case "build":
		cache.PutBytes(c, cache.Subkey(a.actionID, "stdout"), a.output)
	case "link":
		// Even though we don't cache the binary, cache the linker text output.
		// We might notice that an installed binary is up-to-date but still

			// the index because the module hasn't been indexed yet.
			data, err = indexModule(modroot)
			if err != nil {
				return nil, err
			}
			if err = cache.PutBytes(cache.Default(), id, data); err != nil {
				return nil, err
			}
		}
		mi, err := fromBytes(modroot, data)
		if err != nil {
			return nil, err
		}
		return mi, nil
	})
}

	incomingBytes func(n int64) // Record incoming bytes.
	outgoingBytes func(n int64) // Record outgoing bytes.
	trace         *tracer       // tracer for this connection.
	baseFlags     Flags
	outBytes      atomic.Int64
	inBytes       atomic.Int64
	inMessages    atomic.Int64
	outMessages   atomic.Int64

	// For testing only
	debugInConn   net.Conn
	debugOutConn  net.Conn