kubernetes/vendor/google.golang.org/grpc/internal/metadata/metadata.go

type mdKeyType …

const mdKey …

type mdValue …

func (m mdValue) Equal(o any) bool { … }

// Get returns the metadata of addr.
func Get(addr resolver.Address) metadata.MD { … }

// Set sets (overrides) the metadata in addr.
//
// When a SubConn is created with this address, the RPCs sent on it will all
// have this metadata.
func Set(addr resolver.Address, md metadata.MD) resolver.Address { … }

// Validate validates every pair in md with ValidatePair.
func Validate(md metadata.MD) error { … }

// hasNotPrintable return true if msg contains any characters which are not in %x20-%x7E
func hasNotPrintable(msg string) bool { … }

// ValidatePair validate a key-value pair with the following rules (the pseudo-header will be skipped) :
//
// - key must contain one or more characters.
// - the characters in the key must be contained in [0-9 a-z _ - .].
// - if the key ends with a "-bin" suffix, no validation of the corresponding value is performed.
// - the characters in the every value must be printable (in [%x20-%x7E]).
func ValidatePair(key string, vals ...string) error { … }