import { CodeExecutionTool, FunctionDeclarationsTool as GoogleGenerativeAIFunctionDeclarationsTool, GoogleSearchRetrievalTool } from '@google/generative-ai';
import { BindToolsInput } from '@langchain/core/language_models/chat_models';
/** New GoogleSearch tool for Gemini 2.0+ models */
export interface GoogleSearchTool {
    googleSearch: Record<string, never>;
}
export type GoogleGenerativeAIToolType = BindToolsInput | GoogleGenerativeAIFunctionDeclarationsTool | CodeExecutionTool | GoogleSearchRetrievalTool | GoogleSearchTool;
/** Enum for content modality types */
declare enum Modality {
    MODALITY_UNSPECIFIED = "MODALITY_UNSPECIFIED",
    TEXT = "TEXT",
    IMAGE = "IMAGE",
    VIDEO = "VIDEO",
    AUDIO = "AUDIO",
    DOCUMENT = "DOCUMENT"
}
/** Interface for modality token count */
interface ModalityTokenCount {
    modality: Modality;
    tokenCount: number;
}
/** Interface for input token details with cache and tier tracking */
export interface InputTokenDetails {
    cache_read?: number;
    over_200k?: number;
    cache_read_over_200k?: number;
}
/** Main interface for Gemini API usage metadata */
export interface GeminiApiUsageMetadata {
    promptTokenCount?: number;
    totalTokenCount?: number;
    thoughtsTokenCount?: number;
    candidatesTokenCount?: number;
    toolUsePromptTokenCount?: number;
    cachedContentTokenCount?: number;
    promptTokensDetails: ModalityTokenCount[];
    candidatesTokensDetails?: ModalityTokenCount[];
    cacheTokensDetails?: ModalityTokenCount[];
    toolUsePromptTokensDetails?: ModalityTokenCount[];
    trafficType?: string;
}
export {};