import { AppServiceBot } from "./app-service-bot";
export interface Rules {
    userIds: {
        exempt: RegExp[];
        conflict: RegExp[];
    };
}
/**
 * The RoomLinkValidator checks if a room should be linked to a remote
 * channel, given a set of rules supplied in a config. The ruleset is maintained
 * in a separate config from the bridge config. It can be reloaded by triggering
 * an endpoint specified in the {@link Bridge} class.
 */
export declare class RoomLinkValidator {
    private asBot;
    private conflictCache;
    private ruleFile?;
    readonly rules: Rules;
    /**
     * @param config Config for the validator.
     * @param config.ruleFile Filename for the rule file.
     * @param config.rules Rules if not using a rule file, will be
     *                               overwritten if both is set.
     * @param asBot The AS bot.
     */
    constructor(config: {
        ruleFile?: string;
        rules?: Rules;
    }, asBot: AppServiceBot);
    readRuleFile(filename?: string): Rules;
    private evaluateRules;
    validateRoom(roomId: string, cache?: boolean): Promise<RoomLinkValidatorStatus>;
    private checkConflictCache;
}
export declare enum RoomLinkValidatorStatus {
    PASSED = 0,
    ERROR_USER_CONFLICT = 1,
    ERROR_CACHED = 2,
    ERROR = 3
}