use https://github.com/nunocoracao/blowfish.git

themes/blowfish/assets/lib/mermaid/dagre-wrapper/intersect/index.d.ts

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+declare namespace _default {
+    export { node };
+    export { circle };
+    export { ellipse };
+    export { polygon };
+    export { rect };
+}
+export default _default;
+import node from './intersect-node.js';
+import circle from './intersect-circle.js';
+import ellipse from './intersect-ellipse.js';
+import polygon from './intersect-polygon.js';
+import rect from './intersect-rect.js';

themes/blowfish/assets/lib/mermaid/dagre-wrapper/intersect/intersect-circle.d.ts

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+export default intersectCircle;
+/**
+ * @param node
+ * @param rx
+ * @param point
+ */
+declare function intersectCircle(node: any, rx: any, point: any): {
+    x: any;
+    y: any;
+};

themes/blowfish/assets/lib/mermaid/dagre-wrapper/intersect/intersect-ellipse.d.ts

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+export default intersectEllipse;
+/**
+ * @param node
+ * @param rx
+ * @param ry
+ * @param point
+ */
+declare function intersectEllipse(node: any, rx: any, ry: any, point: any): {
+    x: any;
+    y: any;
+};

themes/blowfish/assets/lib/mermaid/dagre-wrapper/intersect/intersect-line.d.ts

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+export default intersectLine;
+/**
+ * Returns the point at which two lines, p and q, intersect or returns undefined if they do not intersect.
+ *
+ * @param p1
+ * @param p2
+ * @param q1
+ * @param q2
+ */
+declare function intersectLine(p1: any, p2: any, q1: any, q2: any): {
+    x: number;
+    y: number;
+} | undefined;

themes/blowfish/assets/lib/mermaid/dagre-wrapper/intersect/intersect-node.d.ts

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+export default intersectNode;
+/**
+ * @param node
+ * @param point
+ */
+declare function intersectNode(node: any, point: any): any;

themes/blowfish/assets/lib/mermaid/dagre-wrapper/intersect/intersect-polygon.d.ts

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+export default intersectPolygon;
+/**
+ * Returns the point ({x, y}) at which the point argument intersects with the node argument assuming
+ * that it has the shape specified by polygon.
+ *
+ * @param node
+ * @param polyPoints
+ * @param point
+ */
+declare function intersectPolygon(node: any, polyPoints: any, point: any): any;

themes/blowfish/assets/lib/mermaid/dagre-wrapper/intersect/intersect-rect.d.ts

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+export default intersectRect;
+declare function intersectRect(node: any, point: any): {
+    x: any;
+    y: any;
+};