/**
 * Capture Agent — Capture Strategy
 *
 * Abstraction over the supported media modes: screenshot and clip.
 * The opcode runner is identical for both — only the capture opcodes dispatch
 * to different strategies.
 */
import type { ArtifactSpec, ArtifactResult, RuntimeAdapter, MediaMode } from './execution-types.js';
export interface CaptureStrategy {
    readonly mediaMode: MediaMode;
    /** Prepare the adapter for capture (e.g. lock viewport, inject cursor overlay) */
    prepare(adapter: RuntimeAdapter, spec: ArtifactSpec): Promise<void>;
    /** Perform the capture and return the raw artifact */
    capture(adapter: RuntimeAdapter, spec: ArtifactSpec): Promise<ArtifactResult>;
    /** Post-process the artifact (mockup frame, status bar, format conversion) */
    postProcess(artifact: ArtifactResult, spec: ArtifactSpec): Promise<ArtifactResult>;
}
export declare class ScreenshotStrategy implements CaptureStrategy {
    readonly mediaMode: "screenshot";
    prepare(_adapter: RuntimeAdapter, _spec: ArtifactSpec): Promise<void>;
    capture(adapter: RuntimeAdapter, _spec: ArtifactSpec): Promise<ArtifactResult>;
    postProcess(artifact: ArtifactResult, spec: ArtifactSpec): Promise<ArtifactResult>;
}
export declare class ClipStrategy implements CaptureStrategy {
    readonly mediaMode: "clip";
    prepare(adapter: RuntimeAdapter, _spec: ArtifactSpec): Promise<void>;
    capture(adapter: RuntimeAdapter, _spec: ArtifactSpec): Promise<ArtifactResult>;
    postProcess(artifact: ArtifactResult, spec: ArtifactSpec): Promise<ArtifactResult>;
}
/**
 * Long-form MP4 capture for `mediaMode='video'`. Shares the clip pipeline
 * (frame loop + ffmpeg assembly) but pins capture resolution to the delivery
 * frame (1920×1080 by default) at 30fps and removes the clip duration cap.
 * The bifurcation actually lives in
 * `WebPlaywrightLocal.beginRecording()` — this strategy is the typed surface
 * the orphan capture-strategy factory exposes.
 */
export declare class VideoStrategy implements CaptureStrategy {
    readonly mediaMode: "video";
    prepare(_adapter: RuntimeAdapter, _spec: ArtifactSpec): Promise<void>;
    capture(adapter: RuntimeAdapter, _spec: ArtifactSpec): Promise<ArtifactResult>;
    postProcess(artifact: ArtifactResult, _spec: ArtifactSpec): Promise<ArtifactResult>;
}
export declare function createCaptureStrategy(mediaMode: MediaMode): CaptureStrategy;