export declare class SDKConfigs {
    private static _flags;
    private static _configs;
    static setFlags(newFlags: Record<string, boolean>): void;
    static setConfigs(newConfigs: Record<string, unknown>): void;
    static on(key: string): boolean;
    static getConfigNumValue(config: string): number | null;
    static getConfigIntValue(config: string): number | null;
    static getConfigStrValue(config: string): string | null;
}