import type { AgentResponse, Message as AgentMessage } from "../schemas/index.js";
import type { ForkRuntimeStep } from "./fork-runtime-types.js";
export interface ForkRuntimeProgress {
    steps: ForkRuntimeStep[];
    currentMessages: AgentMessage[];
    accumulatedInputTokens: number;
    accumulatedOutputTokens: number;
}
/** Build a fork runtime step from an agent response. */
export declare function buildForkRuntimeStepFromResponse(response: AgentResponse): ForkRuntimeStep;
/** Should continue fork runtime step helper. */
export declare function shouldContinueForkRuntimeStep(step: ForkRuntimeStep, response: AgentResponse): boolean;
export declare function createForkRuntimeProgress(currentMessages: AgentMessage[]): ForkRuntimeProgress;
export declare function commitForkRuntimeStep(progress: ForkRuntimeProgress, response: AgentResponse): ForkRuntimeStep;
export declare function getForkRuntimeProgressUsage(progress: ForkRuntimeProgress): {
    inputTokens: number;
    outputTokens: number;
};
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