import { VariableValueSimulator } from '@iotize/virtual-tap';
export interface GeometicBrownianMotionSimulatorOptions {
    currentValue: number;
    mean: number;
    standardDeviation: number;
    min?: number;
    max?: number;
}
export declare class GeometicBrownianMotionSimulator implements VariableValueSimulator {
    private _prev;
    constructor(_prev: GeometicBrownianMotionSimulatorOptions);
    generateNextValue(): number;
}