interface ToolCallLike {
    toolCallId: string;
    toolName: string;
    input?: unknown;
}
interface ToolResultLike {
    toolCallId: string;
    toolName: string;
    input: unknown;
    output: unknown;
}
/** Append missing child run tool calls. */
export declare function appendMissingChildRunToolCalls(toolCalls: ToolCallLike[], fallbackToolCalls: ToolCallLike[]): void;
/** Append missing child run tool results. */
export declare function appendMissingChildRunToolResults(toolResults: ToolResultLike[], fallbackToolResults: ToolResultLike[]): void;
/** Message shape for build child run exhausted step budget error. */
export declare function buildChildRunExhaustedStepBudgetErrorMessage(stepCount: number, toolCalls: Array<{
    toolName: string;
}>): string;
export {};
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