import { Assertion, UnaryOperator, BinaryOperator, Result, ContractFunction } from './model';
/**
 * @author Maciej Chałapuk (maciej@chalapuk.pl)
 */
export declare class Registry {
    static readonly instance: Registry;
    contextProto: {
        assertions: {};
        operators: {};
        connectors: {};
    };
    private traces;
    private entities;
    constructor();
    addAssertion(assertions: HashMap<AssertionLike>): this;
    addAssertionFactory(factories: HashMap<Assertion.Factory>): this;
    addUnaryOperator(operators: HashMap<UnaryOperator>): this;
    addBinaryOperator(operators: HashMap<BinaryOperator>): this;
    addConnectors(connectors: HashMap<any>): this;
    private filterAlreadyRegistered;
    private extendPrototype;
}
export default Registry;
/**
 * @author Maciej Chałapuk (maciej@chalapuk.pl)
 */
export interface AssertionLike {
    assert(varName: string, testedValue: any, contract: ContractFunction): Result;
}
/**
 * @author Maciej Chałapuk (maciej@chalapuk.pl)
 */
export interface HashMap<T> {
    [_: string]: T | undefined;
}