export interface ExpectStatic {
    (actual: any): Assertion;
    getState(): MatcherState;
    addSnapshotSerializer(plugin: PrettyFormatPlugin): void;
}
interface Assertion {
    toMatchSnapshot(message: string): void;
}
interface MatcherState {
    currentTestName?: string;
    snapshotState: SnapshotState;
}
interface SnapshotState {
    _counters: Map<string, number>;
    _snapshotData: SnapshotData;
    _updateSnapshot: SnapshotUpdateState;
}
export type SnapshotUpdateState = 'all' | 'new' | 'none';
type SnapshotData = Record<string, string>;
interface PrettyFormatPlugin {
    test: (value: any) => boolean;
    print: (value: unknown) => string;
}
export declare abstract class Runner {
    init(): Promise<void>;
    abstract get expect(): ExpectStatic;
    abstract getSnapshotFullName(testName: string, snapshotName: string): string;
}
export {};