export type TransportContext = {
    sessionID?: string;
    agent?: string;
    modelID?: string;
    stablePrefixHash?: string;
};
export declare function apiKeyWebSocketHeaders(apiKey: string): Record<string, string>;
export declare function oauthWebSocketHeaders(accessToken: string, accountId?: string, clientVersion?: string): Record<string, string>;
export declare function httpAuthHeaders(baseHeaders: HeadersInit | undefined, auth: {
    type: "api";
    apiKey: string;
} | {
    type: "oauth";
    accessToken: string;
    accountId?: string;
}, codexVersion?: string): Headers;
export declare function transportIdentity(auth: {
    type: "api";
    apiKey: string;
} | {
    type: "oauth";
    accessToken: string;
    accountId?: string;
}, codexVersion?: string): {
    isOAuth: boolean;
    wsUrl: string;
    wsHeaders: Record<string, string>;
};
export declare function extractTransportContext(input?: HeadersInit): TransportContext & {
    forwardHeaders: Headers;
};
//# sourceMappingURL=headers.d.ts.map