Plugins: Refactor existing interfaces into ILoadPipeline

Il2CppInspector.Common/Plugins/API/V100/ILoadPipeline.cs

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+/*
+    Copyright 2020 Katy Coe - http://www.djkaty.com - https://github.com/djkaty
+
+    All rights reserved.
+*/
+
+using NoisyCowStudios.Bin2Object;
+using Il2CppInspector.Reflection;
+
+namespace Il2CppInspector.PluginAPI.V100
+{
+    /// <summary>
+    /// Plugins which implement ILoadPipeline perform additional processing on IL2CPP workloads
+    /// as they are analyzed and translated into an internal model
+    /// Calls are performed in the order listed below
+    /// </summary>
+    public interface ILoadPipeline
+    {
+        /// <summary>
+        /// Process global-metadata.dat when it is first opened as a sequence of bytes
+        /// Seek cursor will be at the start of the file
+        /// </summary>
+        void PreProcessMetadata(BinaryObjectStream stream, PluginPreProcessMetadataEventInfo data) { }
+
+        /// <summary>
+        /// Fetch all of the .NET identifier strings
+        /// </summary>
+        void GetStrings(Metadata metadata, PluginGetStringsEventInfo data) { }
+
+        /// <summary>
+        /// Fetch all of the (constant) string literals
+        /// </summary>
+        void GetStringLiterals(Metadata metadata, PluginGetStringLiteralsEventInfo data) { }
+
+        /// <summary>
+        /// Process global-metadata.dat after it has been loaded into a Metadata object
+        /// </summary>
+        void PostProcessMetadata(Metadata metadata, PluginPostProcessMetadataEventInfo data) { }
+
+        /// <summary>
+        /// Post-process the entire IL2CPP application package after the metadata and binary have been loaded and merged
+        /// </summary>
+        void PostProcessPackage(Il2CppInspector package, PluginPostProcessPackageEventInfo data) { }
+
+        /// <summary>
+        /// Post-process the .NET type model to make changes after it has been fully created
+        /// </summary>
+        void PostProcessTypeModel(TypeModel model, PluginPostProcessTypeModelEventInfo data) { }
+    }
+}