export declare const CANEVAS_DEFAULT_PORT = 8788;
export interface RunCanevasServeOptions {
    readonly root: string;
    readonly port?: number;
    readonly stderr: {
        write(s: string): void;
    };
    readonly signal?: AbortSignal;
}
export declare function runCanevasServe(opts: RunCanevasServeOptions): Promise<number>;
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