ERROR_KIND_KEY
const ERROR_KIND_KEY: "vgi_rpc.error_kind" = "vgi_rpc.error_kind";Defined in: src/constants.ts:57
Top-level metadata key on an EXCEPTION batch identifying the error category.
Hoisted by buildErrorBatch when the thrown error has a static or instance
errorKind property. Mirrors Python’s vgi_rpc.metadata.ERROR_KIND_KEY.