/** What a child `agency compile` produced. `exitCode` is null when the
 *  child was killed rather than exiting on its own. `output` is stderr
 *  and stdout concatenated: the compiler's failure paths do not agree on
 *  a stream (parse and typecheck errors go to stderr, an uncaught codegen
 *  throw is reported by node itself), and a fixture author should not
 *  have to know which one their diagnostic takes. */
export type CompileAttempt = {
    exitCode: number | null;
    output: string;
    killedBy?: "timeout" | "abort";
};
export type CompileVerdict = {
    ok: true;
} | {
    ok: false;
    reason: string;
};
export declare function judgeCompileAttempt(expected: string, attempt: CompileAttempt): CompileVerdict;
/**
 * Name the first field that cannot be combined with
 * `expectedCompileError`, or null when there is none. Nothing runs in
 * this mode, so mocks and cases are not merely unused — they mean the
 * author expected something this mode does not do, and a silent ignore
 * would hide that.
 */
export declare function findIncompatibleField(tests: {
    tests?: unknown[];
    fetchMocks?: unknown[];
    llmMocks?: unknown;
}): string | null;