/**
     * Gets the optional preprocessor for configuration values.
     *
     * @return The preprocessor for configuration values or {@code null} if none.
     */
    BeanConfigurationValuePreprocessor getValuePreprocessor();

    /**
     * Sets the optional preprocessor for configuration values.
     *
     * @param valuePreprocessor The preprocessor for configuration values, may be {@code null} if unneeded.

tasks.withType(SwiftCompile).configureEach {
    // Define a preprocessor macro for every binary
    macros.add("NDEBUG")

    // Define a compiler options
    compilerArgs.add '-O'
}
// end::swift-compiler-options-all-variants[]

// tag::swift-compiler-options-per-variants[]
application {
    binaries.configureEach(SwiftStaticLibrary) {
        // Define a preprocessor macro for every binary

application {
    dependencies {
        implementation project(':common')
    }
}
// end::cpp-dependency-mgmt[]

// tag::cpp-compiler-options-all-variants[]
tasks.withType(CppCompile).configureEach {
    // Define a preprocessor macro for every binary
    macros.put("NDEBUG", null)

    // Define a compiler options
    compilerArgs.add '-W3'

    // Define toolchain-specific compiler options

        implementation(project(":common"))
    }
}
// end::cpp-dependency-mgmt[]

// tag::cpp-compiler-options-all-variants[]
tasks.withType(CppCompile::class.java).configureEach {
    // Define a preprocessor macro for every binary
    macros.put("NDEBUG", null)

    // Define a compiler options
    compilerArgs.add("-W3")

    // Define toolchain-specific compiler options

        private final BeanConfigurationValuePreprocessor preprocessor;

        private final BeanConfigurationPathTranslator translator;

        BeanExpressionEvaluator(BeanConfigurationRequest request) {
            preprocessor = request.getValuePreprocessor();
            translator = request.getPathTranslator();
        }

    /**
     * Preprocesses the specified bean configuration value. The optional type provided to this method is a hint (not a
     * requirement) for the preprocessor to resolve the value to a compatible value or a (string) value than can be
     * unmarshalled into that type. The preprocessor is not required to perform any type conversion but should rather
     * filter out incompatible values from its result.
     *

    void testPreAndPostProcessing() throws BeanConfigurationException {
        SomeBean bean = new SomeBean();

        Xpp3Dom config = toConfig("<file>${test}</file>");

        BeanConfigurationValuePreprocessor preprocessor = (value, type) -> {
            if (value != null && value.startsWith("${") && value.endsWith("}")) {
                return value.substring(2, value.length() - 1);
            }
            return value;
        };

plugins {
    id "cpp"
}
// end::use-plugin[]

// tag::args[]
model {
    components {
        main(NativeLibrarySpec) {
            binaries.withType(SharedLibraryBinarySpec) {
                // Define a preprocessor macro that only applies to shared libraries
                cppCompiler.define "DLL_EXPORT"
            }
        }
    }
}

plugins {
    id "cpp"
}

model {
    components {
        main(NativeExecutableSpec) {
            binaries.all {
                // Define a preprocessor macro
                cppCompiler.define "NDEBUG"
                // Add some additional compiler arguments
                if (toolChain in Gcc) {
                    cppCompiler.args "-fno-access-control", "-fconserve-space"
                }
            }
        }
    }

                }
            }
// end::source-library[]
        }
    }
}

// end::executables[]

// tag::all-binaries[]
model {
    binaries {
        all {
            // Define a preprocessor macro for every binary
            cppCompiler.define "NDEBUG"

            // Define toolchain-specific compiler and linker options
            if (toolChain in Gcc) {