import * as z from "zod/v4";
import { Result as SafeParseResult } from "../types/fp.js";
import { CostDetails } from "./costdetails.js";
import { SDKValidationError } from "./errors/sdkvalidationerror.js";
/**
 * Detailed completion token usage
 */
export type CompletionTokensDetails = {
    /**
     * Accepted prediction tokens
     */
    acceptedPredictionTokens?: number | null | undefined;
    /**
     * Tokens used for audio output
     */
    audioTokens?: number | null | undefined;
    /**
     * Tokens used for reasoning
     */
    reasoningTokens?: number | null | undefined;
    /**
     * Rejected prediction tokens
     */
    rejectedPredictionTokens?: number | null | undefined;
};
/**
 * Detailed prompt token usage
 */
export type PromptTokensDetails = {
    /**
     * Audio input tokens
     */
    audioTokens?: number | undefined;
    /**
     * Tokens written to cache. Only returned for models with explicit caching and cache write pricing.
     */
    cacheWriteTokens?: number | undefined;
    /**
     * Cached prompt tokens
     */
    cachedTokens?: number | undefined;
    /**
     * Video input tokens
     */
    videoTokens?: number | undefined;
};
/**
 * Token usage statistics
 */
export type ChatUsage = {
    /**
     * Number of tokens in the completion
     */
    completionTokens: number;
    /**
     * Detailed completion token usage
     */
    completionTokensDetails?: CompletionTokensDetails | null | undefined;
    /**
     * Cost of the completion
     */
    cost?: number | null | undefined;
    /**
     * Breakdown of upstream inference costs
     */
    costDetails?: CostDetails | null | undefined;
    /**
     * Whether a request was made using a Bring Your Own Key configuration
     */
    isByok?: boolean | undefined;
    /**
     * Number of tokens in the prompt
     */
    promptTokens: number;
    /**
     * Detailed prompt token usage
     */
    promptTokensDetails?: PromptTokensDetails | null | undefined;
    /**
     * Total number of tokens
     */
    totalTokens: number;
};
/** @internal */
export declare const CompletionTokensDetails$inboundSchema: z.ZodType<CompletionTokensDetails, unknown>;
export declare function completionTokensDetailsFromJSON(jsonString: string): SafeParseResult<CompletionTokensDetails, SDKValidationError>;
/** @internal */
export declare const PromptTokensDetails$inboundSchema: z.ZodType<PromptTokensDetails, unknown>;
export declare function promptTokensDetailsFromJSON(jsonString: string): SafeParseResult<PromptTokensDetails, SDKValidationError>;
/** @internal */
export declare const ChatUsage$inboundSchema: z.ZodType<ChatUsage, unknown>;
export declare function chatUsageFromJSON(jsonString: string): SafeParseResult<ChatUsage, SDKValidationError>;
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