/**
 * ATIF adapter — convert ATIF documents to the internal Trajectory format.
 *
 * The conversion maps ATIF steps (user messages, agent turns with tool calls,
 * system events) into the flat TrajectoryEvent array that graders consume.
 */
import type { AtifTrajectory } from "./atif-types.js";
import type { Trajectory } from "./types.js";
export interface FromAtifOptions {
    stimulusName: string;
    stimulusPrompt: string;
    workDir: string;
}
/**
 * Convert an already-validated ATIF document to the internal Trajectory format.
 *
 * Callers must validate with {@link validateAtifTrajectory} first (this avoids
 * double validation when the caller already holds an `AtifTrajectory`).
 */
export declare function fromAtif(atif: AtifTrajectory, options: FromAtifOptions): Trajectory;
/**
 * Loose discriminator: returns `true` if `obj` *looks like* an ATIF document
 * (right schema_version prefix, has session_id/steps/agent at the top level).
 *
 * This is NOT a full validator — it is used by the CLI to distinguish ATIF
 * payloads from other JSON shapes on stdin. Use `validateAtifTrajectory()`
 * for authoritative validation; it throws a descriptive error on any
 * malformed field.
 */
export declare function isAtifTrajectory(obj: unknown): boolean;
/**
 * Validate that `input` is a well-formed ATIF document. Throws `Error` with a
 * path-qualified message on the first failure. Returns the input typed as
 * `AtifTrajectory` on success. Validates the fields the adapter reads,
 * including required inner fields of tool calls, observation results,
 * step-level `metrics`, top-level `final_metrics`, and inlined
 * `subagent_trajectories`. Fields it already tolerates as optional/null
 * (e.g. `timestamp`) are not inspected here.
 */
export declare function validateAtifTrajectory(input: unknown): AtifTrajectory;
//# sourceMappingURL=atif-adapter.d.ts.map