import { DebugElement } from "@angular/core";
import { ComponentFixtureLike, MatcherChain, MatcherFunction, Selector, TestDefinition } from "../types";
export interface MatcherState {
    selector: Selector;
    negate?: boolean;
    description?: string;
    errorDescription?: string;
    errorStack?: string;
    getFixture: () => ComponentFixtureLike | null;
    matcher?: MatcherFunction;
}
export declare abstract class Matcher {
    protected state: MatcherState;
    get not(): MatcherChain<this>;
    constructor(state: MatcherState);
    build(): TestDefinition;
    execute(): void;
    protected setDescription(description: string, modifier?: string): void;
    protected appendDescription(description: string): void;
    protected setMatcher(matcher: MatcherFunction): void;
    protected getFixture(): ComponentFixtureLike;
    protected getComponent(): any;
    protected checkComponentHasProperty(property: string): void;
    protected getElement(throwError?: boolean): DebugElement;
    protected checkElementHasProperty(property: string): void;
    protected throwError(message: string, received?: unknown, expected?: unknown): never;
    private stringifyValue;
}