import { ContextualTestScheduler } from './contextual-test-scheduler';
import { MarblesHelpers } from './marbles-helpers';
export declare type MarblesHelpersInternal = {
    -readonly [TProp in keyof MarblesHelpers]: MarblesHelpers[TProp];
} & {
    scheduler: ContextualTestScheduler;
};
export declare const MarblesHelpersInternal: MarblesHelpersInternal;