import type { FlavorHandler, HeaderLookup } from './types.js';
export declare const FLAVORS: {
    readonly anthropic: FlavorHandler;
    readonly openai: FlavorHandler;
    readonly gemini: FlavorHandler;
};
export type FlavorId = keyof typeof FLAVORS;
export declare const FLAVOR_IDS: readonly ["anthropic" | "openai" | "gemini", ...("anthropic" | "openai" | "gemini")[]];
export declare const getFlavor: (id: FlavorId) => FlavorHandler;
export declare const CREDENTIAL_HEADER_NAMES: string[];
export declare const readCredential: (getHeader: HeaderLookup) => string | null;
export type { FlavorHandler, IngressSpec, CredentialSpec, HeaderLookup, UsageInfo, RequestedModelExtractor, UsageExtractor, StreamUsageAccumulator, StreamUsageExtractor, StreamingRequestDetector, ErrorBody, ErrorHooks, } from './types.js';
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