import { type DrizzleExecutor } from "../drizzle.js";
import { type MutationHint } from "../chat/types.js";
/**
 * Advances the progress and retained output of the agentImages build owned by the supplied lease token.
 * The lease-guarded update gives live clients monotonic status without allowing late output from an abandoned worker.
 */
export declare function agentImageRecordBuildOutput(executor: DrizzleExecutor, input: {
    imageId: string;
    lastBuildLogLine?: string;
    logChunk: string;
    progress: number;
    workerId: string;
}): Promise<MutationHint | undefined>;
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