export declare const MAX_AUDIT_VALUE_CHARS = 64000;
export declare const truncateString: (value: string, max: number) => string;
export declare const boundedPreviewValue: (value: unknown, maxChars: number) => unknown;
export declare const previewArgs: (ref: string, args: Record<string, unknown>) => Record<string, unknown>;
export declare const previewResult: (value: unknown) => unknown;
export declare const failedResultError: (value: unknown) => string | undefined;
export declare const failedResultOutcome: (value: unknown) => "failed" | "aborted" | "timed_out";
export declare const boundedResult: (value: unknown, maxChars: number) => {
    value: unknown;
    chars: number;
    truncated: boolean;
};
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