import type { Api, Model } from "@bastani/pi-ai/compat";
/** Atomic compatibility alias accepted alongside pi-ai's canonical grammar capability. */
export interface GrammarToolCapabilityAlias {
    supportsGrammarTools?: boolean;
}
/** Pi provider compatibility metadata plus Atomic's public constrained-sampling fields. */
export type AtomicProviderCompat = NonNullable<Model<Api>["compat"]> & GrammarToolCapabilityAlias & {
    supportsStrictTools?: boolean;
    supportsStrictMode?: boolean;
    supportsOpenAIGrammarTools?: boolean;
};
/**
 * Keep Atomic's documented capability alias synchronized with pi-ai's canonical
 * field. The canonical field wins when both are supplied, so Atomic never
 * advertises grammar enforcement that the provider runtime has disabled.
 */
export declare function normalizeGrammarToolCapability(compat: AtomicProviderCompat | Model<Api>["compat"] | undefined): AtomicProviderCompat | undefined;
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