/**
 * Eval Context Builder for MastraCode
 *
 * Converts Harness session data into scorer-compatible format.
 * Supports both agent-type scorers (ScorerRunInputForAgent) and
 * trajectory scorers (Trajectory).
 */
import type { ScorerRunInputForAgent, ScorerRunOutputForAgent, Trajectory } from '@mastra/core/evals';
import type { Harness } from '@mastra/core/harness';
export type MastraCodeEvalContext = {
    /** Scorer-compatible agent input (messages, system prompt, etc.) */
    agentInput: ScorerRunInputForAgent;
    /** Scorer-compatible agent output (response messages) */
    agentOutput: ScorerRunOutputForAgent;
    /** Execution trajectory extracted from trace spans */
    trajectory: Trajectory | undefined;
    /** Request context with session metadata */
    requestContext: Record<string, unknown>;
    /** The thread ID this context was built from */
    threadId: string;
    /** The trace ID for observability linkage */
    traceId: string | undefined;
};
export type BuildContextOptions = {
    /** Harness instance to extract data from */
    harness: Harness<any>;
    /** Thread ID to build context for (defaults to current thread) */
    threadId?: string;
    /** Limit messages to the last N turns (user+assistant pairs). Undefined = all messages */
    lastNTurns?: number;
};
/**
 * Build an evaluation context from a Harness session.
 *
 * This extracts messages from storage, builds trajectory from trace spans,
 * and packages everything into the format scorers expect.
 */
export declare function buildEvalContext(options: BuildContextOptions): Promise<MastraCodeEvalContext>;
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