import z from 'zod'; export declare const zGPTModels: z.ZodNativeEnum<{ GPT35Turbo: string; GPT35Turbo0613: string; GPT35Turbo16K: string; GPT4: string; GPT40613: string; GPT41106: string; TextEmbeddingAda002: string; }>; export type GPTModels = z.infer; export declare const maxContextLength: (model: GPTModels) => number; export declare const queryContextLength: (model: GPTModels) => number; export declare const modelCostPerQuery: (model: GPTModels) => number;