import type { Tool as OpenAITool } from "openai/resources/responses/responses";
import { type AssistantMessage, type Model, type ServiceTier, type StreamFunction, type StreamOptions, type Tool, type ToolChoice } from "../types";
import { type OpenAIResponsesToolChoice } from "../utils/tool-choice";
export declare function normalizeOpenAIResponsesPromptCacheKey(sessionId: string | undefined): string | undefined;
export interface OpenAIResponsesOptions extends StreamOptions {
    reasoning?: "minimal" | "low" | "medium" | "high" | "xhigh" | "max";
    reasoningSummary?: "auto" | "detailed" | "concise" | null;
    serviceTier?: ServiceTier;
    toolChoice?: ToolChoice;
    /**
     * Enforce strict tool call/result pairing when building Responses API inputs.
     * Azure OpenAI and GitHub Copilot Responses paths require tool results to match prior tool calls.
     */
    strictResponsesPairing?: boolean;
}
/** Test seam: the provider base URL as resolved from trusted env. */
export declare function resolveOpenAIProviderBaseUrlForTest(baseUrl: string | undefined, authCredentialType: "api_key" | "oauth" | undefined): string;
export declare function isOpenCodeGoEmptyCompletedResponse(model: Model<"openai-responses">, output: AssistantMessage, nativeOutputItemCount: number): boolean;
/**
 * Generate function for OpenAI Responses API
 */
export declare const streamOpenAIResponses: StreamFunction<"openai-responses">;
export declare function supportsDeveloperRole(modelOrBaseUrl: Pick<Model, "provider" | "baseUrl"> | string): boolean;
/**
 * Whether this model should get the OpenAI custom-tool grammar variant
 * for `apply_patch`. The generated model catalog sets
 * `model.applyPatchToolType` for first-party GPT-5 Responses models; this
 * runtime path only consumes that metadata.
 * @internal Exported for tests.
 */
export declare function supportsFreeformApplyPatch(model: Model<"openai-responses">): boolean;
/** @internal Exported for tests. */
export declare function mapOpenAIResponsesToolChoiceForTools(choice: ToolChoice | undefined, tools: Tool[], model: Model<"openai-responses">): OpenAIResponsesToolChoice;
/** @internal Exported for tests. */
export declare function resolveReservedToolNames(model: Model<"openai-responses">): readonly string[];
/** @internal Exported for tests. */
export declare function convertTools(tools: Tool[], strictMode: boolean, model: Model<"openai-responses">): OpenAITool[];