import { z } from "zod";
import type { Tier } from "../types.js";
export declare const getPriceHistorySchema: {
    index_code: z.ZodOptional<z.ZodString>;
    model_name: z.ZodOptional<z.ZodString>;
    vendor: z.ZodOptional<z.ZodString>;
    direction: z.ZodOptional<z.ZodEnum<["Input", "Cached Input", "Output"]>>;
    weeks: z.ZodDefault<z.ZodNumber>;
};
export declare function handleGetPriceHistory(params: z.infer<z.ZodObject<typeof getPriceHistorySchema>>, tier: Tier): Promise<{
    content: {
        type: "text";
        text: string;
    }[];
}>;
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