diff --git a/include/tables/ITable.h b/include/tables/ITable.h
new file mode 100644
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--- /dev/null
+++ b/include/tables/ITable.h
@@ -0,0 +1,333 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) FIRST 2015. All Rights Reserved.                             */
+/* Open Source Software - may be modified and shared by FRC teams. The code   */
+/* must be accompanied by the FIRST BSD license file in the root directory of */
+/* the project.                                                               */
+/*----------------------------------------------------------------------------*/
+
+#ifndef ITABLE_H_
+#define ITABLE_H_
+
+#include <memory>
+
+#include "llvm/StringRef.h"
+#include "nt_Value.h"
+
+// [[deprecated(msg)]] is a C++14 feature not supported by MSVC or GCC < 4.9.
+// We provide an equivalent warning implementation for those compilers here.
+#ifndef NT_DEPRECATED
+  #if defined(_MSC_VER)
+    #define NT_DEPRECATED(msg) __declspec(deprecated(msg))
+  #elif defined(__GNUC__)
+    #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ > 8)
+      #if __cplusplus > 201103L
+        #define NT_DEPRECATED(msg) [[deprecated(msg)]]
+      #else
+        #define NT_DEPRECATED(msg) [[gnu::deprecated(msg)]]
+      #endif
+    #else
+      #define NT_DEPRECATED(msg) __attribute__((deprecated(msg)))
+    #endif
+  #elif __cplusplus > 201103L
+    #define NT_DEPRECATED(msg) [[deprecated(msg)]]
+  #else
+    #define NT_DEPRECATED(msg) /*nothing*/
+  #endif
+#endif
+
+class ITableListener;
+
+/**
+ * A table whose values can be read and written to
+ */
+class ITable {
+ public:
+  /**
+   * Determines whether the given key is in this table.
+   *
+   * @param key the key to search for
+   * @return true if the table as a value assigned to the given key
+   */
+  virtual bool ContainsKey(llvm::StringRef key) const = 0;
+
+  /**
+   * Determines whether there exists a non-empty subtable for this key
+   * in this table.
+   *
+   * @param key the key to search for
+   * @return true if there is a subtable with the key which contains at least
+   * one key/subtable of its own
+   */
+  virtual bool ContainsSubTable(llvm::StringRef key) const = 0;
+
+  /**
+   * Gets the subtable in this table for the given name.
+   *
+   * @param key the name of the table relative to this one
+   * @return a sub table relative to this one
+   */
+  virtual std::shared_ptr<ITable> GetSubTable(llvm::StringRef key) const = 0;
+
+  /**
+   * @param types bitmask of types; 0 is treated as a "don't care".
+   * @return keys currently in the table
+   */
+  virtual std::vector<std::string> GetKeys(int types = 0) const = 0;
+
+  /**
+   * @return subtables currently in the table
+   */
+  virtual std::vector<std::string> GetSubTables() const = 0;
+
+  /**
+   * Makes a key's value persistent through program restarts.
+   *
+   * @param key the key to make persistent
+   */
+  virtual void SetPersistent(llvm::StringRef key) = 0;
+
+  /**
+   * Stop making a key's value persistent through program restarts.
+   * The key cannot be null.
+   *
+   * @param key the key name
+   */
+  virtual void ClearPersistent(llvm::StringRef key) = 0;
+
+  /**
+   * Returns whether the value is persistent through program restarts.
+   * The key cannot be null.
+   *
+   * @param key the key name
+   */
+  virtual bool IsPersistent(llvm::StringRef key) const = 0;
+
+  /**
+   * Sets flags on the specified key in this table. The key can
+   * not be null.
+   *
+   * @param key the key name
+   * @param flags the flags to set (bitmask)
+   */
+  virtual void SetFlags(llvm::StringRef key, unsigned int flags) = 0;
+
+  /**
+   * Clears flags on the specified key in this table. The key can
+   * not be null.
+   *
+   * @param key the key name
+   * @param flags the flags to clear (bitmask)
+   */
+  virtual void ClearFlags(llvm::StringRef key, unsigned int flags) = 0;
+
+  /**
+   * Returns the flags for the specified key.
+   *
+   * @param key the key name
+   * @return the flags, or 0 if the key is not defined
+   */
+  virtual unsigned int GetFlags(llvm::StringRef key) const = 0;
+
+  /**
+   * Deletes the specified key in this table.
+   *
+   * @param key the key name
+   */
+  virtual void Delete(llvm::StringRef key) = 0;
+
+  /**
+   * Gets the value associated with a key as an object
+   *
+   * @param key the key of the value to look up
+   * @return the value associated with the given key, or nullptr if the key
+   * does not exist
+   */
+  virtual std::shared_ptr<nt::Value> GetValue(llvm::StringRef key) const = 0;
+
+  /**
+   * Put a value in the table
+   *
+   * @param key the key to be assigned to
+   * @param value the value that will be assigned
+   * @return False if the table key already exists with a different type
+   */
+  virtual bool PutValue(llvm::StringRef key,
+                        std::shared_ptr<nt::Value> value) = 0;
+
+  /**
+   * Put a number in the table
+   *
+   * @param key the key to be assigned to
+   * @param value the value that will be assigned
+   * @return False if the table key already exists with a different type
+   */
+  virtual bool PutNumber(llvm::StringRef key, double value) = 0;
+
+  /**
+   * Gets the number associated with the given name.
+   *
+   * @param key the key to look up
+   * @return the value associated with the given key
+   * @throws TableKeyNotDefinedException if there is no value associated with
+   * the given key
+   * @deprecated This exception-raising method has been replaced by the
+   * default-taking method.
+   */
+  NT_DEPRECATED("Raises an exception if key not found; "
+                "use GetNumber(StringRef key, double defaultValue) instead")
+  virtual double GetNumber(llvm::StringRef key) const = 0;
+
+  /**
+   * Gets the number associated with the given name.
+   *
+   * @param key the key to look up
+   * @param defaultValue the value to be returned if no value is found
+   * @return the value associated with the given key or the given default value
+   * if there is no value associated with the key
+   */
+  virtual double GetNumber(llvm::StringRef key, double defaultValue) const = 0;
+
+  /**
+   * Put a string in the table
+   *
+   * @param key the key to be assigned to
+   * @param value the value that will be assigned
+   * @return False if the table key already exists with a different type
+   */
+  virtual bool PutString(llvm::StringRef key, llvm::StringRef value) = 0;
+
+  /**
+   * Gets the string associated with the given name.
+   *
+   * @param key the key to look up
+   * @return the value associated with the given key
+   * @throws TableKeyNotDefinedException if there is no value associated with
+   * the given key
+   * @deprecated This exception-raising method has been replaced by the
+   * default-taking method.
+   */
+  NT_DEPRECATED("Raises an exception if key not found; "
+                "use GetString(StringRef key, StringRef defaultValue) instead")
+  virtual std::string GetString(llvm::StringRef key) const = 0;
+
+  /**
+   * Gets the string associated with the given name. If the key does not
+   * exist or is of different type, it will return the default value.
+   *
+   * @param key the key to look up
+   * @param defaultValue the value to be returned if no value is found
+   * @return the value associated with the given key or the given default value
+   * if there is no value associated with the key
+   */
+  virtual std::string GetString(llvm::StringRef key,
+                                llvm::StringRef defaultValue) const = 0;
+
+  /**
+   * Put a boolean in the table
+   *
+   * @param key the key to be assigned to
+   * @param value the value that will be assigned
+   * @return False if the table key already exists with a different type
+   */
+  virtual bool PutBoolean(llvm::StringRef key, bool value) = 0;
+
+  /**
+   * Gets the boolean associated with the given name.
+   *
+   * @param key the key to look up
+   * @return the value associated with the given key
+   * @throws TableKeyNotDefinedException if there is no value associated with
+   * the given key
+   * @deprecated This exception-raising method has been replaced by the
+   * default-taking method.
+   */
+  NT_DEPRECATED("Raises an exception if key not found; "
+                "use GetBoolean(StringRef key, bool defaultValue) instead")
+  virtual bool GetBoolean(llvm::StringRef key) const = 0;
+
+  /**
+   * Gets the boolean associated with the given name. If the key does not
+   * exist or is of different type, it will return the default value.
+   *
+   * @param key the key to look up
+   * @param defaultValue the value to be returned if no value is found
+   * @return the value associated with the given key or the given default value
+   * if there is no value associated with the key
+   */
+  virtual bool GetBoolean(llvm::StringRef key, bool defaultValue) const = 0;
+
+  /**
+   * Add a listener for changes to the table
+   *
+   * @param listener the listener to add
+   */
+  virtual void AddTableListener(ITableListener* listener) = 0;
+
+  /**
+   * Add a listener for changes to the table
+   *
+   * @param listener the listener to add
+   * @param immediateNotify if true then this listener will be notified of all
+   * current entries (marked as new)
+   */
+  virtual void AddTableListener(ITableListener* listener,
+                                bool immediateNotify) = 0;
+
+  /**
+   * Add a listener for changes to the table
+   *
+   * @param listener the listener to add
+   * @param immediateNotify if true then this listener will be notified of all
+   * current entries (marked as new)
+   * @param flags bitmask of NT_NotifyKind specifying desired notifications
+   */
+  virtual void AddTableListenerEx(ITableListener* listener,
+                                  unsigned int flags) = 0;
+
+  /**
+   * Add a listener for changes to a specific key the table
+   *
+   * @param key the key to listen for
+   * @param listener the listener to add
+   * @param immediateNotify if true then this listener will be notified of all
+   * current entries (marked as new)
+   */
+  virtual void AddTableListener(llvm::StringRef key, ITableListener* listener,
+                                bool immediateNotify) = 0;
+
+  /**
+   * Add a listener for changes to a specific key the table
+   *
+   * @param key the key to listen for
+   * @param listener the listener to add
+   * @param immediateNotify if true then this listener will be notified of all
+   * current entries (marked as new)
+   * @param flags bitmask of NT_NotifyKind specifying desired notifications
+   */
+  virtual void AddTableListenerEx(llvm::StringRef key, ITableListener* listener,
+                                  unsigned int flags) = 0;
+
+  /**
+   * This will immediately notify the listener of all current sub tables
+   * @param listener the listener to add
+   */
+  virtual void AddSubTableListener(ITableListener* listener) = 0;
+
+  /**
+   * This will immediately notify the listener of all current sub tables
+   * @param listener the listener to add
+   * @param localNotify if true then this listener will be notified of all
+   * local changes in addition to all remote changes
+   */
+  virtual void AddSubTableListener(ITableListener* listener,
+                                   bool localNotify) = 0;
+
+  /**
+   * Remove a listener from receiving table events
+   *
+   * @param listener the listener to be removed
+   */
+  virtual void RemoveTableListener(ITableListener* listener) = 0;
+};
+
+#endif  // ITABLE_H_