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

    @Override
    public JavaForkOptions transform(BaseForkOptions baseForkOptions) {
        JavaForkOptions javaForkOptions = forkOptionsFactory.newJavaForkOptions();
        javaForkOptions.setMinHeapSize(baseForkOptions.getMemoryInitialSize());
        javaForkOptions.setMaxHeapSize(baseForkOptions.getMemoryMaximumSize());
        javaForkOptions.setJvmArgs(baseForkOptions.getJvmArgs());
        return javaForkOptions;
    }

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

    /**
     * Returns the initial heap size for the compiler process.
     * Defaults to {@code null}, in which case the JVM's default will be used.
     */
    @Internal
    public String getMemoryInitialSize() {
        return memoryInitialSize;
    }

    /**
     * Sets the initial heap size for the compiler process.
     * Defaults to {@code null}, in which case the JVM's default will be used.
     */

            return;
        }

        MinimalJavaCompilerDaemonForkOptions forkOptions = spec.getCompileOptions().getForkOptions();
        if (forkOptions.getMemoryInitialSize() != null) {
            args.add("-J-Xms" + forkOptions.getMemoryInitialSize().trim());
        }
        if (forkOptions.getMemoryMaximumSize() != null) {
            args.add("-J-Xmx" + forkOptions.getMemoryMaximumSize().trim());
        }

Method <org.gradle.api.tasks.compile.BaseForkOptions.getJvmArgs()> does not have raw return type assignable to org.gradle.api.provider.Property in (BaseForkOptions.java:0)
Method <org.gradle.api.tasks.compile.BaseForkOptions.getMemoryInitialSize()> does not have raw return type assignable to org.gradle.api.provider.Property in (BaseForkOptions.java:0)