declare const ADK_THINKING_ARG = "__adk_thinking_text";
type JsonSchemaObject = {
    type?: string;
    properties?: Record<string, unknown>;
    required?: string[];
    [key: string]: unknown;
};
declare function withAdkThinkingArg(inputSchema: JsonSchemaObject | undefined, prompt: string): JsonSchemaObject;
declare function splitAdkToolArgs(args: Record<string, unknown> | undefined): {
    thinkingText: string;
    protocolArgs: Record<string, unknown>;
};
declare function truncateThinkingDescription(text: string, maxLength?: number): string;
declare function sanitizeThinkingData<T extends {
    title?: string;
    description?: string;
}>(data: T): T;

export { ADK_THINKING_ARG, sanitizeThinkingData, splitAdkToolArgs, truncateThinkingDescription, withAdkThinkingArg };