import { type CapturePolicy, type CaptureSource } from "./capture-policy.js";
export { buildCaptureContextBlock } from "./context-block.js";
export type CaptureServiceHandle = {
    stop: () => void;
    active: boolean;
    startedSources: CaptureSource[];
    reason?: "disabled" | "no-approved-sources" | "private-mode" | "unsupported-platform";
};
export declare function captureSourceSupported(source: CaptureSource, platform?: NodeJS.Platform): boolean;
/**
 * Start only policy-approved capture modules. Returns a handle to stop them.
 */
export declare function startCaptureService(opts?: {
    watchDirs?: string[];
    policy?: CapturePolicy;
}): Promise<CaptureServiceHandle>;