import type { Provider, AssistantMessageEventStream } from '@earendil-works/pi-ai';
import type { ResolvedPiAiProviderProfile } from '@deepseek-ai/dsh-llm-pi-ai';
export type CoreCompatibleProvider = NonNullable<ResolvedPiAiProviderProfile['piProvider']>;
export type SimpleNativeProvider = Pick<Provider, 'id' | 'name' | 'baseUrl' | 'headers' | 'auth' | 'getModels' | 'filterModels' | 'streamSimple'>;
type CoreStream = ReturnType<CoreCompatibleProvider['streamSimple']>;
type PublicCoreStream = Pick<CoreStream, keyof CoreStream>;
type PublicNativeStream = Pick<AssistantMessageEventStream, keyof AssistantMessageEventStream>;
type Assert<Condition extends true> = Condition;
/** Compile-time, bidirectional proof; a future real public event change must fail this gate. */
export type PiStreamPublicCompatibility = [
    Assert<PublicNativeStream extends PublicCoreStream ? true : false>,
    Assert<PublicCoreStream extends PublicNativeStream ? true : false>
];
/** Retain the same stream object after proving its public surface; only SDK-private nominal identity differs. */
export declare function coreEventStream(stream: AssistantMessageEventStream): CoreStream;
/**
 * The published Core adapter consumes streamSimple. Do not pretend its older
 * protocol-specific clients are interchangeable with a newer SDK's clients.
 */
export declare function coreProviderView(provider: SimpleNativeProvider): CoreCompatibleProvider;
export {};
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