/** SDK-owned platform module. This implementation is maintained in goodvibes-sdk. */
export interface OpenAIStreamTextDelta {
    content: string[];
    reasoning: string[];
}
export interface OpenAIStreamTextDeltaOptions {
    allowReasoning?: boolean | undefined;
}
/**
 * Normalize the wide variety of OpenAI-compatible streaming delta shapes into
 * plain content/reasoning text fragments.
 */
export declare function extractOpenAIStreamTextDelta(rawChunk: unknown, options?: OpenAIStreamTextDeltaOptions): OpenAIStreamTextDelta;
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