import { CompiledFunction } from "../internal/CompiledFunction";
import { FunctionManager } from "../managers/FunctionManager";
import { FastifyReply, FastifyRequest } from "fastify";
import { Interpreter } from "../core/Interpreter";
import { APIFunction } from "./APIFunction";
import { API } from "./API";
import { ReadStream } from "fs";
/**
 * All options that belongs to the API itself.
 */
interface APIData {
    /**
     * Represents the API instance.
     */
    server: API;
    /**
     * API incoming request.
     */
    request: FastifyRequest | null;
    /**
     * API request reply.
     */
    reply: FastifyReply | null;
    /**
     * API stream reply.
     */
    stream: ReadStream | null;
}
export type ClassType = new (...args: any[]) => any;
export type ClassInstance<T> = T extends new (...args: any[]) => infer T ? T : never;
export declare class Data<P extends boolean = true> {
    #private;
    server: P extends true ? API : P extends false ? null : never;
    break: boolean;
    code: string | null;
    comments: boolean;
    functions: FunctionManager;
    function: CompiledFunction;
    interpreter: Interpreter;
    parent: Data<P> | null;
    req: P extends true ? FastifyRequest : P extends false ? null : never;
    res: P extends true ? FastifyReply : P extends false ? null : never;
    reverse: boolean;
    startTime: number;
    stream: P extends true ? ReadStream : P extends false ? null : never;
    constructor(reverse: boolean, functions: Iterable<readonly [string, APIFunction]>, apiData: APIData | undefined, locale?: {
        locale: Intl.LocalesArgument;
        timeZone: string;
    });
    /**
     * Deletes a variable from the cached data.
     * @param name - Variable name.
     * @returns {Data}
     */
    deleteVar(name: string): this;
    /**
     * Deletes an internal variable from the cached data.
     * @param name - Variable name.
     * @returns {Data}
     */
    deleteInternalVar(name: string): this;
    /**
     * Extend this parent data.
     * @param vars - Variables to be added to this child data.
     * @returns {Data}
     */
    extend(vars?: Record<string, any>, internals?: Record<string, any>): Data<P>;
    /**
     * Check whether a internal variable is cached.
     * @param name - Variable name.
     * @returns {boolean}
     */
    internalVarExists(name: string): boolean;
    /**
     * Overrides or add internal variables in this data.
     * @param vars - Variables to override.
     * @returns {Data}
     */
    overrideInternals(internals: Record<string, any> | null): this;
    /**
     * Overrides or add variables in this data.
     * @param vars - Variables to override.
     * @returns {Data}
     */
    overrideVars(vars: Record<string, any> | null): this;
    /**
     * Set a internal variable.
     * @param name - Variable name.
     * @param value - Variable value.
     * @returns {Data}
     */
    setInternalVar(name: string, value: any): this;
    /**
     * Set the date locale.
     * @param tz - Locale to be set.
     * @returns {Data}
     */
    setLocale(locale: Intl.LocalesArgument): this;
    /**
     * Set the date timezone.
     * @param tz - Timezone to be set.
     * @returns {Data}
     */
    setTimeZone(tz: string): this;
    /**
     * Set a variable in the cached data.
     * @param name - Variable name.
     * @param value - Variable value.
     * @returns {Data}
     */
    setVar(name: string, value: any): this;
    /**
     * Retrieves a internal variable.
     * @param name - Variable name.
     * @returns {T}
     */
    getInternalVar<T>(name: string): T;
    /**
     * Retrieves a cached variable.
     * @param name - Variable name.
     * @returns {T}
     */
    getVar<T>(name: string): T | null;
    /**
     * Set a parent data to this.
     * @param parent - Parent data.
     * @returns {Data}
     */
    setParent(parent: Data<P>): this;
    /**
     * Set the code execution start time.
     * @param time - Start time.
     * @returns {Data}
     */
    setStart(time: number): this;
    /**
     * Whether stop code execution.
     * @param state - Stop state.
     * @returns {Data}
     */
    stopCode(state?: boolean): this;
    /**
     * Check whether a variable is cached.
     * @param name - Variable name.
     * @returns {boolean}
     */
    varExists(name: string): boolean;
    /**
     * Check if the given class instance exists in the internal variables dataset.
     * @param key - Variable name.
     * @param type - Class type.
     * @returns {boolean}
     */
    hasInstance<K extends string, V extends ClassType>(key: K, type: V): this is this & {
        [P in keyof {
            bro: boolean;
        } as K]: ClassInstance<V>;
    };
    /**
     * Returns a class instance with typings.
     * @param key - Class key.
     * @param type - Class instance.
     * @returns {unknown}
     */
    getInstance<K extends string, T extends ClassType>(key: K, type: T): InstanceType<T> | null;
    /**
     * Returns the current date using local time.
     */
    get date(): Date;
    /**
     * Whether the core has "rs" syntax enabled.
     */
    get dots(): boolean;
    /**
     * Returns the system locale.
     */
    get locale(): Intl.LocalesArgument;
    /**
     * Returns the system timezone.
     */
    get timeZone(): string;
    /**
     * Returns the cached variables.
     */
    get _(): Record<string, any>;
    /**
     * Returns the cached internal variables.
     */
    get __(): Record<string, any>;
}
export {};