type SupportedValue = string | number;
export declare class TypedObjectUtils {
    static keys: <K extends SupportedValue, T>(o: Record<K, T>) => Array<K>;
    static entries: <K extends SupportedValue, T>(o: Record<K, T>) => Array<[K, T]>;
    static fromEntries: <K extends SupportedValue, T>(o: Array<[K, T]>) => Record<K, T>;
    static swapKeyValue: <K extends SupportedValue, T extends SupportedValue>(o: Record<K, T>) => Record<T, K>;
    static keyToLowercase: <K extends SupportedValue, T>(o: Record<K, T>) => Record<K, T>;
}
export type { SupportedValue };