pub fn failingGroupConcurrent( userdata: ?*anyopaque, group: *Group, context: []const u8, context_alignment: std.mem.Alignment, start: *const fn (context: *const anyopaque) void, ) ConcurrentError!void
pub fn failingGroupConcurrent( userdata: ?*anyopaque, group: *Group, context: []const u8, context_alignment: std.mem.Alignment, start: *const fn (context: *const anyopaque) void, ) ConcurrentError!void { _ = userdata; _ = group; _ = context; _ = context_alignment; _ = start; return error.ConcurrencyUnavailable; }