/**
 * Given a point position, get the closes data point in the dataset.
 */
export declare function getClosestPoint(pos: number, scale: any, data: any, attr?: string): any;
/**
 * Given an event, get the parent svg element;
 */
export declare function getParentSVG(event: any): any;
/**
 * Given an event, get the relative X/Y position for a target.
 */
export declare function getPositionForTarget({ target, clientX, clientY }: {
    target: any;
    clientX: any;
    clientY: any;
}): {
    x: number;
    y: number;
};
/**
 * Gets the point from q given matrix.
 */
export declare function getPointFromMatrix(event: any, matrix: any): {
    x: number;
    y: number;
} | [number, number] | null;
/**
 * Get the start/end matrix.
 */
export declare function getLimitMatrix(height: number, width: number, matrix: any): ({
    x: number;
    y: number;
} | [number, number])[];
/**
 * Constrain the matrix.
 */
export declare function constrainMatrix(height: number, width: number, matrix: any): boolean;
/**
 * Determine if both min and max scale fctors are going out of bounds.
 */
export declare function isZoomLevelGoingOutOfBounds(value: any, scaleFactor: number): boolean;