export type StartMonitorCoreInput = {
    port?: string;
    baudRate?: number;
    projectDir?: string;
    environment?: string;
};
export declare function startMonitorCore(input: StartMonitorCoreInput): Promise<{
    success: boolean;
    port: string;
    logFile: string;
    taskId: `${string}-${string}-${string}-${string}-${string}`;
    startedAt: string;
}>;
export type MonitorUntilExpectInput = {
    logFile: string;
    expect: string;
    timeoutSeconds: number;
    pollMs?: number;
};
export declare function waitForExpectedSerialOutput(input: MonitorUntilExpectInput): Promise<{
    matched: boolean;
    matchedAt?: string;
    elapsedMs: number;
}>;
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