This package provides TypeScript definitions for the d3-sankey library. D3-sankey is a D3.js module for creating Sankey diagrams, visualizing flow and relationships between entities. These TypeScript definitions ensure type safety and improved developer experience when using d3-sankey in TypeScript projects, offering accurate hinting and preventing potential type-related errors. By installing @types/d3-sankey, developers gain access to interfaces and types that accurately reflect the API of the d3-sankey library.