         range: 0 ... 10,
         unit: .seconds,
         flags: nonRampFlags)
-    
+
     /// Filter Amplitude attack duration (seconds)
     @Parameter(filterAttackDurationDef) public var filterAttackDuration: AUValue
 
-    
     /// Specification details for filterDecayDuration
     public static let filterDecayDurationDef = NodeParameterDef(
         identifier: "filterDecayDuration",

        range: 0 ... 1,
        unit: .generic,
        flags: nonRampFlags)
    
    /// Amplitude sustain level (fraction)
    @Parameter(sustainLevelDef) public var sustainLevel: AUValue


        defaultValue: 0,
        range: 0 ... 20,
        unit: .generic)

    /// Glide rate (seconds per octave)
    @Parameter(glideRateDef) public var glideRate: AUValue

    /// Specification details for attackDuration
    public static let attackDurationDef = NodeParameterDef(
        identifier: "attackDuration",
