Provide the type definition of the symbol at the given position and document.
The document in which the command was invoked.
The position at which the command was invoked.
A type definition location, or an array of definitions, or null if there is no type
definition.
Generated using TypeDoc
A type definition provider implements the "go-to-type-definition" feature.
Use LocationProvider and {@link sourcegraph.languages.registerLocationProvider} instead.