export declare const LONG_CONTEXT_BETAS: string[];
export declare function getExcludedBetas(modelId: string): Set<string>;
export declare function addExcludedBeta(modelId: string, beta: string): void;
export declare function resetExcludedBetas(): void;
export declare function isLongContextError(responseBody: string): boolean;
export declare function getNextBetaToExclude(modelId: string): string | null;
export declare function supports1mContext(modelId: string): boolean;
export declare function getModelBetas(modelId: string, excluded?: Set<string>): string[];
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