Prediction

        Player {
            name            The character's name
            class           The character's class
            spec            The character's current specialization
            talents         A list of the character's chosen talents
            gear            A list of the character's equipped gear
            enchants        NOT YET IMPLEMENTED
            haste           The character's haste value, where 1 = 100%
            hp_percent      The character's life, as percent
            resources       A list of resources the character may have, with associated values
            maxResources    A list of the maximums a character may have of each resource
            runes           For Death Knights, recharge times for each rune
            buffs           A named list of buffs that the character currently has
            debuffs         A named list of debuffs that the character currently has
            spells          A named list of spells that the character has available
        }
        Pet {
            name            The pet's name
            class           The pet's class
            spec            The pet's current specialization
            haste           The pet's haste value, where 1 = 100%
            hp_percent      The pet's life, as percent
            resources       A list of resources the pet may have, with associated values
            maxResources    A list of the maximums a pet may have of each resource
            buffs           A named list of buffs the pet currently has
            debuffs         A named list of debuffs the pet currently has
        }
        Target {
            name            The target's name
            hp_percent      The target's life, as percent
            resources       A list of resources the target may have, with associated values
            buffs           A named list of buffs that the target currently has
            debuffs         A named list of debuffs that the target currently has
            cast            The name of the currently casting spell, or NIL
            channel         The name of the currently channeled spell, or NIL
            interruptible   If the cast/channel can be interrupted
        }
        Buff/Debuff {
            count           How many stacks the buff/debuff has
            timeRemaining   How long the buff/debuff has left till it is exhausted, in seconds
            caster          Who cast the ability
        }
        Spell {
            spellId             The id of the spell
            name                The name of the spell
            icon                Path to the icon file
            baseCastTime        Cast time without haste taken into account
            castTime            Current cast time
            baseCooldown        Cooldown without haste and abilities taken into account
            effects             List of effects that this spell has on successful cast
            maxCharges          How many charges this spell may have
            currentCharges      How many charges the spell currently has
            remainingCooldown   How long (in seconds) till reusable
        }

         Player.runes.available How many runes are available right now
         AddRunes(x)            Recharge x runes
         UseRunes(x)            Use x runes
         GetPeriod()            Return how long in seconds to apply a buff/regen/cast update for
         Procced(chance)        Returns true chance percent of the time
         OverrideGCD(time)      Tell the engine the spell uses a different GCD.
         SetInstant()           Tells the engine the spell used an instant version instead of a cast.
         SetDelayEffect(time, instructions)
                                Tells the engine there is an effect that is delayed, e.g. Elemental T21_2PC causes Earthen Strength when spell lands, not when cast.

Target.debuffs['Flame Shock'] = { count = 0, timeRemaining = 15, caster = 'player', }
local spent = math.min(20, Player.resources['Maelstrom'])
if Player.talents['Aftershock'] then
    spent = spent * 0.7
end
Player.resources['Maelstrom'] = Player.resources['Maelstrom'] - spent

(not Player.buffs['Totem Mastery'] or Player.buffs['Totem Mastery'].timeRemaining < 1.5)

(Target.debuffs['Flame Shock'] and Target.debuffs['Flame Shock'].timeRemaining < 9)