Microsoft.CodeAnalysis.CodeGen.VariableSlotAllocator.TryGetPreviousClosure(Microsoft.CodeAnalysis.SyntaxNode, Microsoft.CodeAnalysis.CodeGen.DebugId?, System.Collections.Immutable.ImmutableArray<System.String>, out Microsoft.CodeAnalysis.CodeGen.DebugId, out Microsoft.CodeAnalysis.Emit.RuntimeRudeEdit?)