export declare class Relation {
    id?: string | number;
    relationtype: string;
    properties: any;
    arrows: {
        to: {
            enabled: false;
            scaleFactor: [1, 0, 3, 0.05];
            type: 'arrow';
        };
        middle: {
            enabled: false;
            scaleFactor: [1, 0, 3, 0.05];
            type: 'arrow';
        };
        from: {
            enabled: false;
            scaleFactor: [1, 0, 3, 0.05];
            type: 'arrow';
        };
    };
    arrowStrikethrough: true;
    color?: {
        color: string;
        highlight: string;
        hover: string;
        inherit?: string;
        opacity: number;
    };
    dashes: boolean;
    font: {
        color: ['color', '#343434'];
        size: [14, 0, 100, 1];
        face: ['arial', 'verdana', 'tahoma'];
        background: ['color', 'none'];
        strokeWidth: [2, 0, 50, 1];
        strokeColor: ['color', '#ffffff'];
        align: ['horizontal', 'top', 'middle', 'bottom'];
    };
    hidden: false;
    hoverWidth: [1.5, 0, 5, 0.1];
    labelHighlightBold: true;
    physics: true;
    scaling: {
        min: [1, 0, 100, 1];
        max: [15, 0, 100, 1];
        label: {
            enabled: true;
            min: [14, 0, 200, 1];
            max: [30, 0, 200, 1];
            maxVisible: [30, 0, 200, 1];
            drawThreshold: [5, 0, 20, 1];
        };
    };
    selectionWidth: [1.5, 0, 5, 0.1];
    selfReferenceSize: [20, 0, 200, 1];
    shadow: {
        enabled: false;
        color: 'rgba(0,0,0,0.5)';
        size: [10, 0, 20, 1];
        x: [5, -30, 30, 1];
        y: [5, -30, 30, 1];
    };
    smooth: {
        enabled: true;
        type: [
            'dynamic',
            'continuous',
            'discrete',
            'diagonalCross',
            'straightCross',
            'horizontal',
            'vertical',
            'curvedCW',
            'curvedCCW',
            'cubicBezier'
        ];
        forceDirection: ['horizontal', 'vertical', 'none'];
        roundness: [0.5, 0, 1, 0.05];
    } | boolean;
    width: number;
    to: any;
    from: any;
    label: any;
    displayname: string;
    _key: any;
}