import type { CollectionSchema } from './types/validated/collection';
export default class SchemaCache {
    private static readonly SEPARATOR;
    private readonly store;
    private readonly ttlS;
    private readonly now;
    constructor(ttlS?: number, now?: () => number);
    get(renderingId: number, collectionName: string): CollectionSchema | undefined;
    set(renderingId: number, collectionName: string, schema: CollectionSchema): void;
    entriesForRendering(renderingId: number): IterableIterator<[string, CollectionSchema]>;
    private isExpired;
    private static key;
}
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