export declare const REASONING_EFFORTS: readonly ["auto", "none", "minimal", "low", "medium", "high", "xhigh", "max"];
export type ReasoningEffort = (typeof REASONING_EFFORTS)[number];
/**
 * No choice made: requests carry no effort and the provider's own default
 * applies. "auto" is that unset state wherever a value is required.
 */
export declare const DEFAULT_REASONING_EFFORT: ReasoningEffort;
export declare function isUnsetReasoningEffort(effort: ReasoningEffort | undefined): effort is "auto" | undefined;
export declare const REASONING_EFFORT_LABELS: Record<ReasoningEffort, string>;
export declare function isReasoningEffort(value: unknown): value is ReasoningEffort;
export declare function getReasoningEffortOptionsForModel(model: string | undefined): ReasoningEffort[];
export declare function normalizeReasoningEffortForModel(model: string | undefined, effort: ReasoningEffort | undefined): ReasoningEffort | undefined;
export declare function normalizeReasoningEffortForRequest(model: string | undefined, effort: ReasoningEffort | undefined): ReasoningEffort | undefined;
export declare function reasoningEffortLabel(effort: ReasoningEffort | undefined): string;
export declare function resolveReasoningEffortSelection(model: string | undefined, effort: ReasoningEffort | undefined): ReasoningEffort;
export declare function stepDownReasoningEffort(effort: ReasoningEffort | undefined): ReasoningEffort | undefined;
export declare function isGPTReasoningModel(model: string): boolean;
export declare function supportsClaudeAdaptiveThinking(model: string | undefined): boolean;
export declare function claudeAdaptiveThinking(model: string): {
    type: "adaptive";
    display?: "summarized";
};
export declare function anthropicManualThinkingBudget(effort: ReasoningEffort): 1024 | 4096 | 8000 | 16000 | 32000;
export declare function allowsSamplingParams(args: {
    model: string | undefined;
    thinkingEnabled: boolean;
}): boolean;