import type { Writable } from "node:stream";
export interface CliOpts {
    /** Base config directory. Defaults to ~/.harmonic-bridge. */
    readonly configDir?: string;
    readonly stdout?: Writable;
    readonly stderr?: Writable;
}
/**
 * Run the CLI with the given arguments. Returns the exit code.
 * - `[]` (no args) starts the daemon and runs until SIGINT/SIGTERM.
 * - `["init"]` writes the config skeleton.
 * - `["help"]` / `["--help"]` / `["-h"]` prints usage.
 * - Other known commands print "not yet implemented" and return non-zero.
 */
export declare function runCommand(args: readonly string[], opts?: CliOpts): Promise<number>;
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