import type { AIProvider } from "../types.js";
import type { InvokeTokenUsage } from "./computeInvokeCost.js";
/**
 * Activix-compatible snake_case usage keys (parity with ai-tools `calculateFromRecord`).
 */
export interface InvokeUsageTokens {
    prompt_tokens: number;
    completion_tokens: number;
    total_tokens?: number;
    cachedTokensPrompt?: number;
    cached_prompt_tokens?: number;
    cache_write_tokens?: number;
    reasoning_tokens?: number;
    audio_tokens?: number;
    image_tokens?: number;
}
/**
 * Activix / FuncX invoke billing record shape (parity with ai-tools `calculateFromRecord` input).
 */
export interface InvokePricingRecord {
    model?: string;
    modelAlias?: string;
    modelUsed?: string;
    usedModel?: string;
    provider?: string;
    routing?: "openrouter" | "direct";
    profileChoice?: {
        profile: string;
        choice: string;
    };
    usage: InvokeUsageTokens;
    metadata?: {
        maxTokensRequested?: number;
    };
}
export declare function normalizeInvokeUsageTokens(usage: InvokeUsageTokens): InvokeTokenUsage;
export declare function resolveModelFromInvokeRecord(record: InvokePricingRecord): string | {
    provider: AIProvider;
    modelId: string;
};
/**
 * Build an Activix-compatible invoke billing record from resolved invoke metadata.
 */
export declare function buildInvokePricingRecord(input: {
    model: string;
    provider?: AIProvider;
    routing?: "openrouter" | "direct";
    profileChoice?: {
        profile: string;
        choice: string;
    };
    usage: InvokeTokenUsage | InvokeUsageTokens;
    metadata?: InvokePricingRecord["metadata"];
}): InvokePricingRecord;
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