// @flow

import ERRORS from "./errors";
import {getConfig, getConfigForProgression} from "./config";
import createProgression from "./create-progression";
import createState from "./create-state";
import checkAnswerCorrectness from "./check-answer-correctness";
import checkAnswer from "./check-answer";
import {computeNextStepAfterAnswer, computeNextStepOnAcceptExtraLife, computeNextStepOnRefuseExtraLife} from "./compute-next-step";
declare export var ERRORS: {STATE_VALIDATION_ERROR: string};
declare export function checkAnswer(config: {answerBoundaryLimit: number, lives: number, livesDisabled: boolean, maxTypos: number, remainingLifeRequests: number, slidesToComplete: number, starsPerAskingClue: number, starsPerCorrectAnswer: number, starsPerResourceViewed: number, version: string}, question: {content: {answers: Array<Array<string>>}, type: "qcm"} | {content: {answers: Array<Array<string>>}, type: "qcmGraphic"} | {content: {answers: Array<Array<string>>, matchOrder: boolean}, type: "qcmDrag"} | {content: {answers: Array<Array<string>>}, type: "slider"} | {content: {answers: Array<Array<string>>, maxTypos?: ?number}, type: "basic"} | {content: {answers: Array<Array<string>>, choices: Array<{type: "text" | "select"}>, matchOrder: boolean, maxTypos?: ?number}, type: "template"}, givenAnswer: Array<string>): boolean;
declare export function checkAnswerCorrectness(config: {answerBoundaryLimit: number, lives: number, livesDisabled: boolean, maxTypos: number, remainingLifeRequests: number, slidesToComplete: number, starsPerAskingClue: number, starsPerCorrectAnswer: number, starsPerResourceViewed: number, version: string}, question: {content: {answers: Array<Array<string>>}, type: "qcm"} | {content: {answers: Array<Array<string>>}, type: "qcmGraphic"} | {content: {answers: Array<Array<string>>, matchOrder: boolean}, type: "qcmDrag"} | {content: {answers: Array<Array<string>>}, type: "slider"} | {content: {answers: Array<Array<string>>, maxTypos?: ?number}, type: "basic"} | {content: {answers: Array<Array<string>>, choices: Array<{type: "text" | "select"}>, matchOrder: boolean, maxTypos?: ?number}, type: "template"}, givenAnswer: Array<string>): {corrections: Array<{answer: string | void, isCorrect: ?boolean}>, isCorrect: boolean};
declare export function computeNextStepAfterAnswer(config: {answerBoundaryLimit: number, lives: number, livesDisabled: boolean, maxTypos: number, remainingLifeRequests: number, slidesToComplete: number, starsPerAskingClue: number, starsPerCorrectAnswer: number, starsPerResourceViewed: number, version: string}, state: {content?: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}, nextContent: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}} & {allAnswers: Array<{answer: Array<string>, isCorrect: ?boolean, slideRef: string}>, content?: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}, hasViewedAResourceAtThisStep: boolean, isCorrect: ?boolean, lives: number, livesDisabled?: boolean, nextContent?: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}, remainingLifeRequests: number, requestedClues: Array<string>, slides: Array<string>, stars: number, step: {current: number}, variables: {[_: string]: string | boolean | number}, viewedResources: Array<{ref: string, resources: Array<string>, type: mixed /* UNEXPECTED TYPE: EvalT */}>}, availableContent: Array<{ref: string, rules: Array<{conditions: Array<{operator: $Keys<{BETWEEN: <T>(expectedValues: Array<T>, value: T) => boolean, EQUALS: <T>(expectedValues: Array<T>, value: T) => boolean, GT: <T>(expectedValues: Array<T>, value: T) => boolean, GTE: <T>(expectedValues: Array<T>, value: T) => boolean, IN: <T>(expectedValues: Array<T>, value: T) => boolean, LT: <T>(expectedValues: Array<T>, value: T) => boolean, LTE: <T>(expectedValues: Array<T>, value: T) => boolean, NOT_BETWEEN: <T>(expectedValues: Array<T>, value: T) => boolean, NOT_EQUALS: <T>(expectedValues: Array<T>, value: T) => boolean, NOT_IN: <T>(expectedValues: Array<T>, value: T) => boolean}>, target: {field: "lives" | "stars" | string, scope: "variable"} | {field: "isCorrect" | "answer", ref: string, scope: "slide"}, values: Array<number | boolean | string | Array<string>>}>, destination: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}, instructions: Array<{field: string, type: "add" | "set", value: number | boolean | string}>, priority: number, ref?: string, source: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}}> | null, slides: Array<{_id: string, chapter_id: string, position?: ?number, question: {content: {answers: Array<Array<string>>}, type: "qcm"} | {content: {answers: Array<Array<string>>}, type: "qcmGraphic"} | {content: {answers: Array<Array<string>>, matchOrder: boolean}, type: "qcmDrag"} | {content: {answers: Array<Array<string>>}, type: "slider"} | {content: {answers: Array<Array<string>>, maxTypos?: ?number}, type: "basic"} | {content: {answers: Array<Array<string>>, choices: Array<{type: "text" | "select"}>, matchOrder: boolean, maxTypos?: ?number}, type: "template"}}>}>, currentSlide: {_id: string, chapter_id: string, position?: ?number, question: {content: {answers: Array<Array<string>>}, type: "qcm"} | {content: {answers: Array<Array<string>>}, type: "qcmGraphic"} | {content: {answers: Array<Array<string>>, matchOrder: boolean}, type: "qcmDrag"} | {content: {answers: Array<Array<string>>}, type: "slider"} | {content: {answers: Array<Array<string>>, maxTypos?: ?number}, type: "basic"} | {content: {answers: Array<Array<string>>, choices: Array<{type: "text" | "select"}>, matchOrder: boolean, maxTypos?: ?number}, type: "template"}}, action: mixed /* UNEXPECTED TYPE: EvalT */): {payload: {answer: Array<string>, content: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}, godMode: ?boolean, instructions: Array<{field: string, type: "add" | "set", value: number | boolean | string}> | null, isCorrect: ?boolean, nextContent: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}}, type: "answer"} | null;
declare export function computeNextStepOnAcceptExtraLife(config: {answerBoundaryLimit: number, lives: number, livesDisabled: boolean, maxTypos: number, remainingLifeRequests: number, slidesToComplete: number, starsPerAskingClue: number, starsPerCorrectAnswer: number, starsPerResourceViewed: number, version: string}, state: {content?: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}, nextContent: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}} & {allAnswers: Array<{answer: Array<string>, isCorrect: ?boolean, slideRef: string}>, content?: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}, hasViewedAResourceAtThisStep: boolean, isCorrect: ?boolean, lives: number, livesDisabled?: boolean, nextContent?: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}, remainingLifeRequests: number, requestedClues: Array<string>, slides: Array<string>, stars: number, step: {current: number}, variables: {[_: string]: string | boolean | number}, viewedResources: Array<{ref: string, resources: Array<string>, type: mixed /* UNEXPECTED TYPE: EvalT */}>}, availableContent: Array<{ref: string, rules: Array<{conditions: Array<{operator: $Keys<{BETWEEN: <T>(expectedValues: Array<T>, value: T) => boolean, EQUALS: <T>(expectedValues: Array<T>, value: T) => boolean, GT: <T>(expectedValues: Array<T>, value: T) => boolean, GTE: <T>(expectedValues: Array<T>, value: T) => boolean, IN: <T>(expectedValues: Array<T>, value: T) => boolean, LT: <T>(expectedValues: Array<T>, value: T) => boolean, LTE: <T>(expectedValues: Array<T>, value: T) => boolean, NOT_BETWEEN: <T>(expectedValues: Array<T>, value: T) => boolean, NOT_EQUALS: <T>(expectedValues: Array<T>, value: T) => boolean, NOT_IN: <T>(expectedValues: Array<T>, value: T) => boolean}>, target: {field: "lives" | "stars" | string, scope: "variable"} | {field: "isCorrect" | "answer", ref: string, scope: "slide"}, values: Array<number | boolean | string | Array<string>>}>, destination: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}, instructions: Array<{field: string, type: "add" | "set", value: number | boolean | string}>, priority: number, ref?: string, source: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}}> | null, slides: Array<{_id: string, chapter_id: string, position?: ?number, question: {content: {answers: Array<Array<string>>}, type: "qcm"} | {content: {answers: Array<Array<string>>}, type: "qcmGraphic"} | {content: {answers: Array<Array<string>>, matchOrder: boolean}, type: "qcmDrag"} | {content: {answers: Array<Array<string>>}, type: "slider"} | {content: {answers: Array<Array<string>>, maxTypos?: ?number}, type: "basic"} | {content: {answers: Array<Array<string>>, choices: Array<{type: "text" | "select"}>, matchOrder: boolean, maxTypos?: ?number}, type: "template"}}>}>): {payload: {content: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}, instructions: Array<{field: string, type: "add" | "set", value: number | boolean | string}> | null, nextContent: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}}, type: "extraLifeAccepted"} | null;
declare export function computeNextStepOnRefuseExtraLife(config: {answerBoundaryLimit: number, lives: number, livesDisabled: boolean, maxTypos: number, remainingLifeRequests: number, slidesToComplete: number, starsPerAskingClue: number, starsPerCorrectAnswer: number, starsPerResourceViewed: number, version: string}, state: {content?: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}, nextContent: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}} & {allAnswers: Array<{answer: Array<string>, isCorrect: ?boolean, slideRef: string}>, content?: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}, hasViewedAResourceAtThisStep: boolean, isCorrect: ?boolean, lives: number, livesDisabled?: boolean, nextContent?: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}, remainingLifeRequests: number, requestedClues: Array<string>, slides: Array<string>, stars: number, step: {current: number}, variables: {[_: string]: string | boolean | number}, viewedResources: Array<{ref: string, resources: Array<string>, type: mixed /* UNEXPECTED TYPE: EvalT */}>}): {payload: {content: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}, nextContent: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}}, type: "extraLifeRefused"};
declare export function createProgression(engine: {ref: string, version: string}, content: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}, engineOptions: {lives?: number, livesDisabled?: boolean}, availableContent: Array<{ref: string, rules: Array<{conditions: Array<{operator: $Keys<{BETWEEN: <T>(expectedValues: Array<T>, value: T) => boolean, EQUALS: <T>(expectedValues: Array<T>, value: T) => boolean, GT: <T>(expectedValues: Array<T>, value: T) => boolean, GTE: <T>(expectedValues: Array<T>, value: T) => boolean, IN: <T>(expectedValues: Array<T>, value: T) => boolean, LT: <T>(expectedValues: Array<T>, value: T) => boolean, LTE: <T>(expectedValues: Array<T>, value: T) => boolean, NOT_BETWEEN: <T>(expectedValues: Array<T>, value: T) => boolean, NOT_EQUALS: <T>(expectedValues: Array<T>, value: T) => boolean, NOT_IN: <T>(expectedValues: Array<T>, value: T) => boolean}>, target: {field: "lives" | "stars" | string, scope: "variable"} | {field: "isCorrect" | "answer", ref: string, scope: "slide"}, values: Array<number | boolean | string | Array<string>>}>, destination: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}, instructions: Array<{field: string, type: "add" | "set", value: number | boolean | string}>, priority: number, ref?: string, source: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}}> | null, slides: Array<{_id: string, chapter_id: string, position?: ?number, question: {content: {answers: Array<Array<string>>}, type: "qcm"} | {content: {answers: Array<Array<string>>}, type: "qcmGraphic"} | {content: {answers: Array<Array<string>>, matchOrder: boolean}, type: "qcmDrag"} | {content: {answers: Array<Array<string>>}, type: "slider"} | {content: {answers: Array<Array<string>>, maxTypos?: ?number}, type: "basic"} | {content: {answers: Array<Array<string>>, choices: Array<{type: "text" | "select"}>, matchOrder: boolean, maxTypos?: ?number}, type: "template"}}>}>): {actions: Array<{type: "init"} | {payload: {instructions: Array<{field: string, type: "add" | "set", value: number | boolean | string}> | null, nextContent: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}}, type: "move"} | {payload: {answer: Array<string>, content: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}, godMode: ?boolean, instructions: Array<{field: string, type: "add" | "set", value: number | boolean | string}> | null, isCorrect: ?boolean, nextContent: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}}, type: "answer"} | {payload: {content: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}}, type: "clue"} | {payload: {content: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}, instructions: Array<{field: string, type: "add" | "set", value: number | boolean | string}> | null, nextContent: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}}, type: "extraLifeAccepted"} | {payload: {content: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}, nextContent: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}}, type: "extraLifeRefused"} | {payload: {content: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}, resource: {ref: string, type: "video" | "pdf", version?: string}}, type: "resource"} | {payload: {instructions: Array<{field: string, type: "add" | "set", value: number | boolean | string}> | null, nextContent: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}}, type: "move"}>, content: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}, engine: {ref: string, version: string}, engineOptions: {lives?: number, livesDisabled?: boolean}} | null;
declare export function createState(progression: {actions: Array<{type: "init"} | {payload: {instructions: Array<{field: string, type: "add" | "set", value: number | boolean | string}> | null, nextContent: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}}, type: "move"} | {payload: {answer: Array<string>, content: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}, godMode: ?boolean, instructions: Array<{field: string, type: "add" | "set", value: number | boolean | string}> | null, isCorrect: ?boolean, nextContent: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}}, type: "answer"} | {payload: {content: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}}, type: "clue"} | {payload: {content: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}, instructions: Array<{field: string, type: "add" | "set", value: number | boolean | string}> | null, nextContent: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}}, type: "extraLifeAccepted"} | {payload: {content: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}, nextContent: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}}, type: "extraLifeRefused"} | {payload: {content: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}, resource: {ref: string, type: "video" | "pdf", version?: string}}, type: "resource"} | {payload: {instructions: Array<{field: string, type: "add" | "set", value: number | boolean | string}> | null, nextContent: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}}, type: "move"}>, content: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}, engine: {ref: string, version: string}, engineOptions: {lives?: number, livesDisabled?: boolean}}): {content?: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}, nextContent: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}} & {allAnswers: Array<{answer: Array<string>, isCorrect: ?boolean, slideRef: string}>, content?: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}, hasViewedAResourceAtThisStep: boolean, isCorrect: ?boolean, lives: number, livesDisabled?: boolean, nextContent?: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}, remainingLifeRequests: number, requestedClues: Array<string>, slides: Array<string>, stars: number, step: {current: number}, variables: {[_: string]: string | boolean | number}, viewedResources: Array<{ref: string, resources: Array<string>, type: mixed /* UNEXPECTED TYPE: EvalT */}>};
declare export function getConfig(engine: {ref: string, version: string}): {answerBoundaryLimit: number, lives: number, livesDisabled: boolean, maxTypos: number, remainingLifeRequests: number, slidesToComplete: number, starsPerAskingClue: number, starsPerCorrectAnswer: number, starsPerResourceViewed: number, version: string};
declare export function getConfigForProgression(progression: {actions: Array<{type: "init"} | {payload: {instructions: Array<{field: string, type: "add" | "set", value: number | boolean | string}> | null, nextContent: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}}, type: "move"} | {payload: {answer: Array<string>, content: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}, godMode: ?boolean, instructions: Array<{field: string, type: "add" | "set", value: number | boolean | string}> | null, isCorrect: ?boolean, nextContent: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}}, type: "answer"} | {payload: {content: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}}, type: "clue"} | {payload: {content: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}, instructions: Array<{field: string, type: "add" | "set", value: number | boolean | string}> | null, nextContent: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}}, type: "extraLifeAccepted"} | {payload: {content: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}, nextContent: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}}, type: "extraLifeRefused"} | {payload: {content: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}, resource: {ref: string, type: "video" | "pdf", version?: string}}, type: "resource"} | {payload: {instructions: Array<{field: string, type: "add" | "set", value: number | boolean | string}> | null, nextContent: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}}, type: "move"}>, content: {ref: string, type: string, version?: string} | {ref: string, type: "video" | "pdf", version?: string}, engine: {ref: string, version: string}, engineOptions: {lives?: number, livesDisabled?: boolean}}): {answerBoundaryLimit: number, lives: number, livesDisabled: boolean, maxTypos: number, remainingLifeRequests: number, slidesToComplete: number, starsPerAskingClue: number, starsPerCorrectAnswer: number, starsPerResourceViewed: number, version: string};