marked samplers parameter property as internal

com.unity.perception/Runtime/Randomization/Parameters/CategoricalParameter.cs

         /// <summary>
         /// Returns an IEnumerable that iterates over each sampler field in this parameter
         /// </summary>
-        public override IEnumerable<ISampler> samplers
+        internal override IEnumerable<ISampler> samplers
         {
             get { yield return m_Sampler; }
         }

com.unity.perception/Runtime/Randomization/Parameters/Parameter.cs

         /// <summary>
         /// Returns an IEnumerable that iterates over each sampler field in this parameter
         /// </summary>
-        public abstract IEnumerable<ISampler> samplers { get; }
+        internal abstract IEnumerable<ISampler> samplers { get; }
 
         /// <summary>
         /// Constructs a new parameter

com.unity.perception/Runtime/Randomization/Parameters/ParameterTypes/NumericParameters/BooleanParameter.cs

         /// <summary>
         /// Returns an IEnumerable that iterates over each sampler field in this parameter
         /// </summary>
-        public override IEnumerable<ISampler> samplers
+        internal override IEnumerable<ISampler> samplers
         {
             get { yield return value; }
         }

com.unity.perception/Runtime/Randomization/Parameters/ParameterTypes/NumericParameters/ColorParameters/ColorHsvaParameter.cs

         /// <summary>
         /// Returns an IEnumerable that iterates over each sampler field in this parameter
         /// </summary>
-        public override IEnumerable<ISampler> samplers
+        internal override IEnumerable<ISampler> samplers
         {
             get
             {

com.unity.perception/Runtime/Randomization/Parameters/ParameterTypes/NumericParameters/ColorParameters/ColorRgbParameter.cs

         /// <summary>
         /// Returns an IEnumerable that iterates over each sampler field in this parameter
         /// </summary>
-        public override IEnumerable<ISampler> samplers
+        internal override IEnumerable<ISampler> samplers
         {
             get
             {

com.unity.perception/Runtime/Randomization/Parameters/ParameterTypes/NumericParameters/FloatParameter.cs

         /// <summary>
         /// Returns an IEnumerable that iterates over each sampler field in this parameter
         /// </summary>
-        public override IEnumerable<ISampler> samplers
+        internal override IEnumerable<ISampler> samplers
         {
             get { yield return value; }
         }

com.unity.perception/Runtime/Randomization/Parameters/ParameterTypes/NumericParameters/IntegerParameter.cs

         /// <summary>
         /// Returns an IEnumerable that iterates over each sampler field in this parameter
         /// </summary>
-        public override IEnumerable<ISampler> samplers
+        internal override IEnumerable<ISampler> samplers
         {
             get { yield return value; }
         }

com.unity.perception/Runtime/Randomization/Parameters/ParameterTypes/NumericParameters/Vector2Parameter.cs

         /// <summary>
         /// Returns an IEnumerable that iterates over each sampler field in this parameter
         /// </summary>
-        public override IEnumerable<ISampler> samplers
+        internal override IEnumerable<ISampler> samplers
         {
             get
             {

com.unity.perception/Runtime/Randomization/Parameters/ParameterTypes/NumericParameters/Vector3Parameter.cs

         /// <summary>
         /// Returns an IEnumerable that iterates over each sampler field in this parameter
         /// </summary>
-        public override IEnumerable<ISampler> samplers
+        internal override IEnumerable<ISampler> samplers
         {
             get
             {

com.unity.perception/Runtime/Randomization/Parameters/ParameterTypes/NumericParameters/Vector4Parameter.cs

         /// <summary>
         /// Returns an IEnumerable that iterates over each sampler field in this parameter
         /// </summary>
-        public override IEnumerable<ISampler> samplers
+        internal override IEnumerable<ISampler> samplers
         {
             get
             {