export declare const hotkeysShortcuts: { RNASequenceType: string; DNASequenceType: string; PEPTIDESequenceTYpe: string; exit: string; switchSelectTool: string; undo: string; redo: string; erase: string; clear: string; 'zoom-plus': string; 'zoom-minus': string; 'zoom-reset': string; 'select-all': string; hand: string; 'hide-scrollbars': string; createRnaAntisenseStrand: string; createDnaAntisenseStrand: string; toggleMacromoleculesPropertiesVisibility: string; arrangeRing: string; }; export declare const getIntegerFromString: (zoomInput: string | undefined) => number; export declare const getValidZoom: (zoom: number, currentZoom: number) => number; export declare const updateInputString: (zoom: number, inputElement: HTMLInputElement | null) => void;