public MinimalCompilerDaemonForkOptions(BaseForkOptions forkOptions) {
        setJvmArgs(forkOptions.getJvmArgs());
        setMemoryInitialSize(forkOptions.getMemoryInitialSize());
        setMemoryMaximumSize(forkOptions.getMemoryMaximumSize());
    }

        BaseForkOptions merged = new BaseForkOptions();
        merged.setMemoryInitialSize(mergeHeapSize(left.getMemoryInitialSize(), right.getMemoryInitialSize()));
        merged.setMemoryMaximumSize(mergeHeapSize(left.getMemoryMaximumSize(), right.getMemoryMaximumSize()));
        Set<String> mergedJvmArgs = normalized(left.getJvmArgs());
        mergedJvmArgs.addAll(normalized(right.getJvmArgs()));

        return memoryMaximumSize;
    }

    /**
     * Sets the maximum heap size for the compiler process.
     * Defaults to {@code null}, in which case the JVM's default will be used.
     */
    public void setMemoryMaximumSize(String memoryMaximumSize) {
        this.memoryMaximumSize = memoryMaximumSize;
    }

    /**
     * Returns any additional JVM arguments for the compiler process.
     * Defaults to the empty list.
     */