BaseKt storage SPI: the BlobStore interface for files, with streamed reads and writes, ranges and optional capabilities.

BaseKt in-memory BlobStore, for tests, samples and prototypes.

BaseKt files: install(BaseKtFiles), buckets with limits and permissions, streamed uploads and safe downloads over any BlobStore.

BaseKt local-filesystem BlobStore: files under one directory, written atomically.

BaseKt S3 BlobStore: S3, MinIO, R2 and other S3-compatible stores, with multipart uploads, ranges and presigned URLs.