Imports of build command

PathSynopsis
contextPackage context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes.
cryptoPackage crypto collects common cryptographic constants.
encoding/jsonPackage json implements encoding and decoding of JSON as defined in RFC 7159.
flagPackage flag implements command-line flag parsing.
fmtPackage fmt implements formatted I/O with functions analogous to C's printf and scanf.
github.com/apache/beam/sdks/v2/go/pkg/beam
github.com/apache/beam/sdks/v2/go/pkg/beam/io/filesystem/local
github.com/apache/beam/sdks/v2/go/pkg/beam/x/beamx
github.com/google/trillian/experimental/batchmapPackage batchmap is a library to be used within Beam pipelines to construct verifiable data structures.
github.com/google/trillian/merkle/coniksPackage coniks provides CONIKS hashing for maps.
github.com/google/trillian/merkle/smt/nodePackage node implements a sparse Merkle tree node.
k8s.io/klog/v2Package klog contains the following functionality:
osPackage os provides a platform-independent interface to operating system functionality.
path/filepathPackage filepath implements utility routines for manipulating filename paths in a way compatible with the target operating system-defined file paths.
reflectPackage reflect implements run-time reflection, allowing a program to manipulate objects with arbitrary types.