/**
 * mintNamedWriteToken — client-side helper to mint a named-write JWT.
 *
 * POSTs to the client's own mint endpoint (NOT the OxPulse backend directly).
 * Returns the raw JWT string (no 'Bearer ' prefix) that can be passed to
 * SDKChatClient as `jwt`.
 *
 * Throws NamedWriteMintError on any non-2xx response or malformed body.
 */
export interface MintNamedWriteOptions {
    /** The client's OWN mint endpoint. */
    mintEndpoint: string;
    /** The event room key (event.slug). */
    roomId: string;
    /** ox_did (v4 UUID) — optional. */
    oxDid?: string;
    /** Injectable fetch for tests. */
    fetchImpl?: typeof fetch;
}
export type NamedWriteMintErrorCode = 'unauthorized' | 'forbidden' | 'rate_limited' | 'mint_failed';
export declare class NamedWriteMintError extends Error {
    readonly code: NamedWriteMintErrorCode;
    readonly status: number;
    constructor(code: NamedWriteMintErrorCode, message: string, status: number);
}
/** POST to the client's mint endpoint, return the named-write SDK JWT (raw string, no 'Bearer '). */
export declare function mintNamedWriteToken(opts: MintNamedWriteOptions): Promise<string>;
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