export declare const MIN_ZOOM = 0.35;
export declare const MAX_ZOOM = 2.5;
export declare const DEFAULT_ZOOM = 1;
export declare function clampZoom(value: number): number;
export declare function readableFitZoom(fittedZoom: number, nodeCount: number): number;
export declare function zoomStep(current: number, direction: "in" | "out"): number;
export declare function zoomLabel(value: number): string;
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