BL-423 #resolve

New experimental features block on the `boxlang.json`

src/main/java/ortus/boxlang/runtime/config/Configuration.java

@@ -219,9 +219,13 @@ public class Configuration implements IConfigSegment {
 	/**
 	 * File extensions which are disallowed for file operations. The allowed array overrides any items in the disallow list.
 	 */
-	public List<String>			allowedFileOperationExtensions		= new ArrayList<String>();
+	public List<String>			allowedFileOperationExtensions		= new ArrayList<>();
+	public List<String>			disallowedFileOperationExtensions	= new ArrayList<>();
 
-	public List<String>			disallowedFileOperationExtensions	= new ArrayList<String>();
+	/**
+	 * Experimental Features
+	 */
+	public IStruct				experimental						= new Struct();
 
 	/**
 	 * --------------------------------------------------------------------------
@@ -426,6 +430,15 @@ public Configuration process( IStruct config ) {
 			}
 		}
 
+		// Process experimentals map
+		if ( config.containsKey( Key.experimental ) ) {
+			if ( config.get( Key.experimental ) instanceof Map<?, ?> castedMap ) {
+				castedMap.forEach( ( key, value ) -> this.experimental.put( Key.of( key ), PlaceholderHelper.resolve( value ) ) );
+			} else {
+				logger.warn( "The [runtime.experimental] configuration is not a JSON Object, ignoring it." );
+			}
+		}
+
 		// Process default datasource configuration
 		if ( config.containsKey( Key.defaultDatasource ) ) {
 			this.defaultDatasource = PlaceholderHelper.resolve( config.get( Key.defaultDatasource ) );
@@ -726,6 +739,9 @@ public IStruct asStruct() {
 		    Key.debugMode, this.debugMode,
 		    Key.defaultCache, this.defaultCache.toStruct(),
 		    Key.defaultDatasource, this.defaultDatasource,
+		    Key.disallowedFileOperationExtensions, Array.fromList( this.disallowedFileOperationExtensions ),
+		    Key.allowedFileOperationExtensions, Array.fromList( this.allowedFileOperationExtensions ),
+		    Key.experimental, Struct.fromMap( this.experimental ),
 		    Key.executors, executorsCopy,
 		    Key.invokeImplicitAccessor, this.invokeImplicitAccessor,
 		    Key.javaLibraryPaths, Array.fromList( this.javaLibraryPaths ),

src/main/java/ortus/boxlang/runtime/scopes/Key.java

@@ -272,6 +272,7 @@ public class Key implements Comparable<Key>, Serializable {
 	public static final Key		escapeChars							= Key.of( "escapeChars" );
 	public static final Key		evictCount							= Key.of( "evictCount" );
 	public static final Key		evictionPolicy						= Key.of( "evictionPolicy" );
+	public static final Key		experimental						= Key.of( "experimental" );
 	public static final Key		execute								= Key.of( "execute" );
 	public static final Key		executionMode						= Key.of( "executionMode" );
 	public static final Key		executionState						= Key.of( "executionState" );

src/main/resources/config/boxlang.json

@@ -52,6 +52,9 @@
 	],
 	// The location of the log files the runtime will produce
 	"logsDirectory": "${boxlang-home}/logs",
+	// This is the experimental features flags.
+	// Please see the documentation to see which flags are available
+	"experimental": {},
 	// Global Executors for the runtime
 	// These are managed by the AsyncService and registered upon startup
 	// The name of the executor is the key and the value is a struct of executor settings
@@ -85,9 +88,9 @@
 		// }
 	},
 	// An explicit whitelist of file extensions that are allowed to be uploaded - overrides any values in the disallowedWriteExtensions
-	"allowedFileOperationExtensions" : [],
+	"allowedFileOperationExtensions": [],
 	// The list of file extensions that are not allowed to be uploaded. Also enforced by file relocation operations ( e.g. copy/move )
-	"disallowedFileOperationExtensions" : [
+	"disallowedFileOperationExtensions": [
 		"bat",
 		"exe",
 		"cmd",