Initial contribution from Pivotal Steeltoe project

Author: dtillman

src/Steeltoe.Management.OpenCensus/Api/Common/IClock.cs

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+using Steeltoe.Management.Census.Trace;
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Steeltoe.Management.Census.Common
+{
+    public interface IClock
+    {
+        ITimestamp Now { get; }
+        long NowNanos { get; }
+    }
+}

src/Steeltoe.Management.OpenCensus/Api/Common/IDuration.cs

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+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Steeltoe.Management.Census.Common
+{
+    public interface IDuration : IComparable<IDuration>
+    {
+        long Seconds { get; }
+        int Nanos { get; }
+    }
+}

src/Steeltoe.Management.OpenCensus/Api/Common/IScope.cs

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+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Steeltoe.Management.Census.Common
+{
+    public interface IScope : IDisposable
+    {
+    }
+}

src/Steeltoe.Management.OpenCensus/Api/Common/ITimestamp.cs

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+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Steeltoe.Management.Census.Common
+{
+    public interface ITimestamp : IComparable<ITimestamp>
+    {
+        long Seconds { get; }
+        int Nanos { get; }
+        ITimestamp AddNanos(long nanosToAdd);
+        ITimestamp AddDuration(IDuration duration);
+        IDuration SubtractTimestamp(ITimestamp timestamp);
+
+    }
+}

src/Steeltoe.Management.OpenCensus/Api/Internal/IEventQueue.cs

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+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Steeltoe.Management.Census.Internal
+{
+    public interface IEventQueue
+    {
+        void Enqueue(IEventQueueEntry entry);
+    }
+}

src/Steeltoe.Management.OpenCensus/Api/Internal/IEventQueueEntry.cs

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+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Steeltoe.Management.Census.Internal
+{
+    public interface IEventQueueEntry
+    {
+        void Process();
+    }
+}

src/Steeltoe.Management.OpenCensus/Api/Internal/ITimestampConverter.cs

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+using Steeltoe.Management.Census.Common;
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Steeltoe.Management.Census.Internal
+{
+    public interface ITimestampConverter
+    {
+        ITimestamp ConvertNanoTime(long nanoTime);
+    }
+}

src/Steeltoe.Management.OpenCensus/Api/Stats/Aggregations/ICount.cs

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+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Steeltoe.Management.Census.Stats.Aggregations
+{
+    public interface ICount : IAggregation
+    {
+    }
+}

src/Steeltoe.Management.OpenCensus/Api/Stats/Aggregations/ICountData.cs

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+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Steeltoe.Management.Census.Stats.Aggregations
+{
+    public interface ICountData : IAggregationData
+    {
+        long Count { get; }
+    }
+}

src/Steeltoe.Management.OpenCensus/Api/Stats/Aggregations/IDistribution.cs

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+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Steeltoe.Management.Census.Stats.Aggregations
+{
+    public interface IDistribution : IAggregation
+    {
+
+        IBucketBoundaries BucketBoundaries { get; }
+    }
+}