import { BlackboardRef } from './BlackboardRef';
export interface Blackboard {
    create<T>(ref: BlackboardRef<T>, value: T): void;
    is<T>(ref: BlackboardRef<T>, value: T): boolean;
    get<T>(ref: BlackboardRef<T>): T;
    tryGet<T>(ref: BlackboardRef<T>): [true, T] | [false, undefined];
    put<T>(ref: BlackboardRef<T>, value: T): void;
    delete(ref: BlackboardRef<any>): boolean;
    deleteAll(refs: BlackboardRef<any>[]): BlackboardRef<any>[];
}
export declare const BLACKBOARD_METHODS: readonly string[];
export declare function isBlackboard(maybeBlackboard: any): maybeBlackboard is Blackboard;