import type { CodexAppTurnInput } from '../../types.js';
export interface CodexVersion {
    major: number;
    minor: number;
    patch: number;
}
export interface CodexAppTurnStartParams {
    threadId: string;
    input: Array<Record<string, unknown>>;
    cwd: string;
    approvalPolicy: 'never';
    sandboxPolicy: {
        type: 'dangerFullAccess';
    };
    additionalContext?: CodexAppTurnInput['additionalContext'];
    clientUserMessageId?: string;
}
/** Resolve a runner `final` marker without ever mistaking Codex app-server's
 * native turn id for botmux's stable logical turn. Legacy runner envelopes do
 * not carry a client id, so the worker-owned current turn is their authority. */
export declare function resolveCodexAppFinalTurnIdentity(payload: {
    turnId?: unknown;
    nativeTurnId?: unknown;
}, currentBotmuxTurnId: string | undefined, fallbackTurnId: string): {
    ok: true;
    turnId: string;
    nativeTurnId?: string;
} | {
    ok: false;
    reason: 'turn_mismatch';
    markerTurnId: string;
    currentBotmuxTurnId?: string;
};
export declare function parseCodexVersion(output: string): CodexVersion | undefined;
export declare function codexVersionAtLeast(version: CodexVersion, major: number, minor: number, patch: number): boolean;
/** additionalContext first shipped in 0.135.0; clientUserMessageId followed in
 * 0.136.0. Older serde structs can silently ignore unknown fields, so callers
 * must gate before replacing the legacy prompt rather than relying on errors. */
export declare function supportsCodexAppCleanInput(version: CodexVersion | undefined): boolean;
export declare function supportsClientUserMessageId(version: CodexVersion | undefined): boolean;
export declare function isCodexAppTurnInput(value: unknown): value is CodexAppTurnInput;
export declare function buildCodexAppTurnStartParams(opts: {
    threadId: string;
    cwd: string;
    legacyContent: string;
    codexAppInput?: CodexAppTurnInput;
    codexVersion?: CodexVersion;
    structuredDisabled?: boolean;
    pathExists?: (path: string) => boolean;
}): {
    params: CodexAppTurnStartParams;
    structured: boolean;
    skippedImages: string[];
};
/** Safe retry is intentionally narrow. A protocol-level rejection naming the
 * experimental field means the request did not start a turn. Generic transport,
 * timeout, model, or turn errors must never be retried (duplicate work risk). */
export declare function isCleanInputCapabilityError(error: unknown): boolean;
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