const std = @import("std"); const PendingTrace = struct {}; pub const Trace = struct { pub fn init(self: *Trace) void { _ = self; } pub fn deinit(self: *Trace) void { _ = self; } pub fn beginIO(self: *Trace, disk: bool, source: std.builtin.SourceLocation) PendingTrace { _ = self; _ = disk; _ = source; return .{}; } pub fn failIO(self: *Trace, pending_trace: PendingTrace, e: anyerror) void { _ = self; _ = pending_trace; _ = e; } pub fn completeIO(self: *Trace, pending_trace: PendingTrace, result: anytype) void { _ = self; _ = pending_trace; _ = result; } };