import { type JsonValue } from 'type-fest';
import { type TimeDescriptor } from '@sindresorhus/to-milliseconds';
export type CacheValue = Exclude<JsonValue, null>;
export default class CachedValue<ScopedValue extends CacheValue> {
    name: string;
    readonly maxAge: TimeDescriptor;
    constructor(name: string, options?: {
        maxAge?: TimeDescriptor;
    });
    get(): Promise<ScopedValue | undefined>;
    set(value: ScopedValue): Promise<ScopedValue>;
    delete(): Promise<void>;
    isCached(): Promise<boolean>;
}