import type { ScaleLinear } from 'd3-scale';
interface JGraphState {
    scaleY: ScaleLinear<number, number> | null;
    height: number;
    maxValue: number;
}
export declare const JGraphContextProvider: import("react").Provider<JGraphState>;
export declare function useJGraph(): JGraphState;
export {};
//# sourceMappingURL=JGraphContext.d.ts.map