Provides struct and type for a FileContentPatch
@type t() :: %OpenCode.Generated.FileContentPatch{ hunks: [OpenCode.Generated.FileContentPatchHunks.t()], index: String.t() | nil, new_file_name: String.t(), new_header: String.t() | nil, old_file_name: String.t(), old_header: String.t() | nil }