graph-builder/markdown/graph-builder.basegraph.allowsselfloops.md

A graph builder library for modeling abstract graph structures.

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# BaseGraph.allowsSelfLoops method

Returns true if this graph allows self-loops (edges that connect a node to itself). Attempting to add a self-loop to a graph that does not allow them will throw an error.

**Signature:**
```javascript
allowsSelfLoops(): boolean;
```
**Returns:** `boolean`