/*
 Retrieves all value/key pairs
 
 @param successCallback returns the value as the argument to the callback when successful
 @param failureCallback returns the error string as the argument to the callback, for a failure
 @param key the key to retrieve
 @param TouchIDMessage the message to show underneath the TouchID prompt (if any)
 */
Keychain.getAll(successCallback, failureCallback, 'TouchID Message');


/*
 Retrieves a value for a key
 
 @param successCallback returns the value as the argument to the callback when successful
 @param failureCallback returns the error string as the argument to the callback, for a failure
 @param key the key to retrieve
 @param TouchIDMessage the message to show underneath the TouchID prompt (if any)
 */
Keychain.get(successCallback, failureCallback, 'key', 'TouchID Message');

/*
 Sets a value for a key
 
 @param successCallback returns when successful
 @param failureCallback returns the error string as the argument to the callback, for a failure
 @param key the key to set
 @param value the value to set
 @param useTouchID whether to store the value with security such that TouchID will be needed to grab it
 */
Keychain.set(successCallback, failureCallback, 'key', 'value', useTouchID);

/*
 Removes a value for a key
 
 @param successCallback returns when successful
 @param failureCallback returns the error string as the argument to the callback
 @param key the key to remove
 */
Keychain.remove(successCallback, failureCallback, 'key');

/*
 Sets a JSON value for a key 
 
 @param successCallback returns when successful
 @param failureCallback returns the error string as the argument to the callback, for a failure
 @param key the key to set
 @param value the value to set
 @param useTouchID whether to store the value with security such that TouchID will be needed to grab it
 */
Keychain.setJson(successCallback, failureCallback, 'key', 'value', useTouchID);

/*
 Gets a JSON value for a key 
 
 @param successCallback returns when successful
 @param failureCallback returns the error string as the argument to the callback, for a failure
 @param key the key to set
 @param value the value to set
 @param useTouchID whether to store the value with security such that TouchID will be needed to grab it
 */
Keychain.getJson(successCallback, failureCallback, 'key', useTouchID);