import { Channel, Emoji, Guild, GuildMember, Message, Snowflake, User } from 'discord.js';
import { TextChannelLike } from '../types';
import { Command } from './commands';
import { ArgumentContext } from './contexts';
import { Event } from './Event';
declare type ArgumentValidator = (argument: string, ctx: ArgumentContext) => boolean;
declare type ArgumentParser<T> = (argument: string, ctx: ArgumentContext) => T | null | Promise<T | null>;
export declare type ArgumentFunction<T> = (options: ArgumentBuilder<T>) => Argument<T>;
export declare class Argument<T> {
    type: ArgumentType;
    options: ArgumentOptions<T>;
    validator: ArgumentValidator;
    parser: ArgumentParser<T>;
    constructor(type: ArgumentType, options: ArgumentOptions<T>, validator: ArgumentValidator, parser: ArgumentParser<T>);
}
export declare class CommandArgument<T> {
    name: string;
    index: number;
    coalescing: boolean;
    defaultValue: T | undefined;
    description: string;
    optional: boolean;
    parse: ArgumentParser<T>;
    type: ArgumentType;
    validate: ArgumentValidator;
    constructor(name: string, index: number, argument: Argument<T>);
    get isSimple(): boolean;
}
export declare function booleanArgument(options?: ArgumentBuilder<boolean>): Argument<boolean>;
export declare function channelArgument(options?: ArgumentBuilder<Channel>): Argument<Channel>;
export declare function choiceArgument(options: ArgumentBuilder<string> & {
    values: string[];
}): Argument<string>;
export declare function commandArg(options?: ArgumentBuilder<Command>): Argument<Command>;
export declare function emojiArgument(options?: ArgumentBuilder<Emoji>): Argument<Emoji>;
export declare function enumArgument<E extends Record<string, V>, V>(options: ArgumentBuilder<V> & {
    values: E;
}): Argument<V>;
export declare function eventArgument(options?: ArgumentBuilder<Event>): Argument<Event>;
export declare function floatArgument(options?: ArgumentBuilder<number>): Argument<number>;
export declare function guildArgument(options?: ArgumentBuilder<Guild>): Argument<Guild>;
export declare function guildMemberArgument(options?: ArgumentBuilder<GuildMember>): Argument<GuildMember>;
export declare function intArgument(options?: ArgumentBuilder<number>): Argument<number>;
export declare function messageArgument(options?: ArgumentBuilder<Message>): Argument<Message>;
export declare function snowflakeArgument(options?: ArgumentBuilder<Snowflake>): Argument<string>;
export declare function stringArgument(options?: ArgumentBuilder<string> & {
    regex?: RegExp;
}): Argument<string>;
export declare function regexArgument(options?: ArgumentBuilder<RegExp>): Argument<RegExp>;
export declare function textChannelArgument(options?: ArgumentBuilder<TextChannelLike>): Argument<import("discord.js").TextChannel | import("discord.js").NewsChannel>;
export declare function userArgument(options?: ArgumentBuilder<User>): Argument<User>;
interface ArgumentOptions<T> {
    coalescing?: boolean;
    defaultValue?: T;
    description?: string;
    optional?: boolean;
}
declare type ArgumentBuilder<T> = {
    description?: string;
    coalescing?: boolean;
} | {
    description?: string;
    defaultValue?: T;
} | {
    description?: string;
    optional?: boolean;
};
export declare enum ArgumentType {
    BOOLEAN = "boolean",
    CHANNEL = "channel",
    COMMAND = "command",
    CHOICE = "choice",
    EMOJI = "emoji",
    ENUM = "enum",
    EVENT = "event",
    FLOAT = "float",
    GUILD = "guild",
    GUILD_MEMBER = "guild_member",
    INTEGER = "integer",
    MESSAGE = "message",
    REGEX = "regex",
    ROLE = "role",
    SNOWFLAKE = "snowflake",
    STRING = "string",
    TEXT_CHANNEL = "text_channel",
    USER = "user"
}
export {};