export type RemoteLogsMode = {
    kind: "list";
    json: boolean;
} | {
    kind: "fetch";
    traceId?: string;
    output: "viewer" | "json";
};
export type RemoteLogsEnvironment = {
    stdinIsTTY: boolean;
    stdoutIsTTY: boolean;
};
export declare function resolveRemoteLogsMode(traceId: string | undefined, options: {
    list?: boolean;
    json?: boolean;
}): RemoteLogsMode;
/** The viewer needs an interactive terminal; list and JSON modes do not. Throws
 *  (before any effect) when a viewer-mode fetch has a non-TTY stdin or stdout. */
export declare function requireRemoteLogsEnvironment(mode: RemoteLogsMode, environment: RemoteLogsEnvironment): void;