import { ISchema } from '../types/schema';
export declare class SchemaCacheArticle<T> {
    /**
     * Versioning number of said schema to determine
     * if we need to recalculate cached values in order
     * to be able to work correctly.
     */
    version: number;
    value: T;
    constructor(version: number, value: T);
    /**
     * Is this article outdated and needs to be renewed?
     *
     * @param version Of current schema
     * @returns true, if outdated, otherwise false
     */
    isOutdated(version: number): boolean;
}
export declare class SchemaCache {
    protected schemaStorage: Map<ISchema, Map<string, SchemaCacheArticle<any>>>;
    get<T>(schema: ISchema, key: string): T | null;
    save<T>(schema: ISchema, key: string, value: T): void;
}
/**
 * Global cache for all schemas, because
 * we index by said schema object.
 */
export declare const cache: SchemaCache;