/**
 * A Notepad object stores each procedure's "local" variables.
 * @class Notepad
 * @memberof jibo.flow
 * @param {jibo.flow.Context} context The context that is referencing the notepad.
 * @param {any} params The input parameters to the procedure, available as 'notepad.params' in the procedure.
 * @param {jibo.flow.Environment} environment The global environment of the executing flow.
 */

    /**
     * A hook so that non-Flow activities (i.e. Behaviors) can set the activity's output transition.
     * Available as 'notepad.setTransition'.
     * @param {string} transition
     */

/**
 * A Result object is provided during procedure execution to
 * hold any outputs the procedure needs to return to the caller.
 * It can be filled in as needed by the procedure (e.g. "result.foo = 42").
 * The Result object is made available to the caller throw the invoking Flow.Subflow activity
 * (via the "subflow_result_object" parameter of the "getTransition" parameter).
 * A procedure's Flow.End activity will always set result.transition.
 * @class Result
 * @memberof jibo.flow
 */

/**
 * A snapshot of all the relevant info in an exception. This is available as `notepad.FlowEnv.lastException` after an exception occurs.
 * @class FlowExceptionInfo
 * @property {string} name - The name of the exception, e.g. "~InteractionError.noMatch"
 * @property {jibo.flow.ActivityImplementation} activity - The activity in which the exception occurred. Equivalent to `stackTrace[0].activity`.
 * @property {jibo.flow.Procedure} procedure - The procedure in which the exception occurred. Equivalent to `stackTrace[0].procedure`.
 * @property {Array} stackTrace - An array of objects corresponding to the stack at the time the exception occurred, each having a procedure and activity property. The first element in the array is the inner most frame (ie. where the exception occurred).
 * @property {any} payload - An object containing further information about the exception. This may be provided by a `Flow.Throw` activity, or in the case of JS exceptions, is the information passed via the parameter to a JS `catch()` statement.
 * @memberof jibo.flow
 */