Maps a record of transcoders to a TranscodeRegistry type by extracting each entry's decode return type.
TranscodeRegistry
decode
type R = TranscodeRegistryFrom\<{ int: { decode: (value: string) =\> number };}\>;// { int: number } Copy
type R = TranscodeRegistryFrom\<{ int: { decode: (value: string) =\> number };}\>;// { int: number }
Maps a record of transcoders to a
TranscodeRegistrytype by extracting each entry'sdecodereturn type.