import { Actionable } from "../action/actionable";
import { BooleanValueKeyOf, StringKeyOf } from "../../../util/data";
import { Lambda } from "../elements/condition";
import { Word } from "../elements/character/word";
import { DynamicWord, DynamicWordResult } from "../elements/character/sentence";
import { LambdaHandler } from "../elements/type";
export declare class Persistent<T extends PersistentContent> extends Actionable<null> {
    constructor(namespace: string, defaultContent: T);
    /**
     * Create an action to set a value in the persistent storage for the given key
     * @chainable
     * @param key - The key to set the value for
     * @param value - The value to set
     * @returns A chainable persistent action
     */
    set<K extends StringKeyOf<T>>(key: K, value: T[K]): ChainedPersistent<T>;
    set<K extends StringKeyOf<T>>(key: K, handler: (value: T[K]) => T[K]): ChainedPersistent<T>;
    /**
     * Create an action to assign a value to the persistent storage
     * @chainable
     * @param value - The value to assign
     * @returns A chainable persistent action
     */
    assign(value: Partial<T> | ((value: T) => Partial<T>)): ChainedPersistent<T>;
    /**
     * Determine whether the values are equal, can be used in {@link Condition}
     * @example
     * ```typescript
     * persis.equals("id", persis.get("player_id"));
     *
     * // or
     *
     * persis.equals("id", (ctx) => ctx.storable.getNamespace("player").get("player_id"));
     * ```
     */
    equals<K extends StringKeyOf<T>>(key: K, value: T[K] | Lambda<T[K]> | LambdaHandler<T[K]>): Lambda<boolean>;
    /**
     * Determine whether the values aren't equal, can be used in {@link Condition}
     * @example
     * ```typescript
     * persis.notEquals("id", persis.get("player_id"));
     *
     * // or
     *
     * persis.notEquals("id", (ctx) => ctx.storable.getNamespace("player").get("player_id"));
     * ```
     */
    notEquals<K extends StringKeyOf<T>>(key: K, value: T[K] | Lambda<T[K]> | LambdaHandler<T[K]>): Lambda<boolean>;
    /**
     * Determine whether the value is true, can be used in {@link Condition}.
     * @example
     * ```ts
     * Condition.If(persis.isTrue("flag"), [character.say("Flag is true")]);
     * ```
     */
    isTrue<K extends Extract<keyof T, BooleanValueKeyOf<T>>>(key: K): Lambda<boolean>;
    /**
     * Determine whether the value is false, can be used in {@link Condition}
     */
    isFalse<K extends Extract<keyof T, BooleanValueKeyOf<T>>>(key: K): Lambda<boolean>;
    /**
     * Determine whether the value isn't null or undefined, can be used in {@link Condition}
     */
    isNotNull<K extends StringKeyOf<T>>(key: K): Lambda<boolean>;
    /**
     * Convert to a dynamic word
     * @example
     * ```typescript
     * character.say(["You have ", persis.toWord("gold"), " gold"]);
     *
     * // or
     *
     * character.say`You have ${persis.toWord("gold")} gold`;
     * ```
     */
    toWord<K extends StringKeyOf<T>>(key: K): Word<DynamicWord>;
    /**
     * Alias of {@link toWord}
     */
    get<K extends StringKeyOf<T>>(key: K): Word<DynamicWord>;
    /**
     * Create a conditional word
     *
     * @example
     * ```typescript
     * character.say([
     *   "Your flag is ",
     *   persis.conditional(
     *     persis.isTrue("flag"),
     *     "on",
     *     "off"
     *   )
     * ]);
     * ```
     */
    conditional(condition: Lambda<boolean> | LambdaHandler<boolean>, ifTrue: DynamicWordResult, ifFalse: DynamicWordResult): Word;
    /**
     * Evaluate the JavaScript function and determine whether the result is true.
     * @example
     * ```ts
     * Condition.If(persis.evaluate("coin", (coin) => coin < 10), [
     *   character.say("You don't have enough coins!")
     * ]);
     * ```
     */
    evaluate<K extends StringKeyOf<T>>(key: K, fn: (value: T[K]) => boolean): Lambda<boolean>;
}
/**
 * Only for internal use, don't use this class directly
 */
export declare class DynamicPersistent extends Persistent<DynamicPersistentData> {
}