import * as models from '../models/index.js';
import type { TurnContext } from './tool-types.js';
/**
 * Options for building a turn context
 */
export interface BuildTurnContextOptions {
    /** Number of turns so far (1-indexed for tool execution, 0 for initial request) */
    numberOfTurns: number;
    /** The specific tool call being executed (optional for initial/async resolution contexts) */
    toolCall?: models.FunctionCallItem;
    /** The full request being sent to the API (optional for initial/async resolution contexts) */
    turnRequest?: models.ResponsesRequest;
}
/**
 * Build a turn context for tool execution or async parameter resolution
 *
 * @param options - Options for building the context
 * @returns A TurnContext object
 *
 * @example
 * ```typescript
 * // For tool execution with full context
 * const context = buildTurnContext({
 *   numberOfTurns: 1,
 *   toolCall: rawToolCall,
 *   turnRequest: currentRequest,
 * });
 *
 * // For async parameter resolution (partial context)
 * const context = buildTurnContext({
 *   numberOfTurns: 0,
 * });
 * ```
 */
export declare function buildTurnContext(options: BuildTurnContextOptions): TurnContext;
/**
 * Normalize OpenResponsesInput to an array format
 * Converts string input to array with single user message
 *
 * @param input - The input to normalize
 * @returns Array format of the input
 *
 * @example
 * ```typescript
 * const arrayInput = normalizeInputToArray("Hello!");
 * // Returns: [{ role: "user", content: "Hello!" }]
 * ```
 */
export declare function normalizeInputToArray(input: models.InputsUnion): Array<models.BaseInputsUnion>;
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