import type { PygmalionDesignSessionStatus, PygmalionDevMirrorStatus, PygmalionSourceRefs, QaCaptureEnvelope, SessionApplyVisualResponse, SessionPreviewVisualResponse, SessionRevertVisualResponse, PygmalionHistoryResult, SessionHistoryResponse } from './types.js';
import type { InspectImpactResult } from '../editor/host.js';
import type { ComponentBranch } from '../editor/screenDimensions.js';
import type { CompositionSourceUsage } from '../editor/storyboardComposition.js';
export declare function isRecord(value: unknown): value is Record<string, unknown>;
export declare function readMirrorStatus(operation: string, body: unknown): PygmalionDevMirrorStatus;
export declare function readSourceRefs(operation: string, body: unknown): PygmalionSourceRefs;
export declare function readSessionStatus(operation: string, body: unknown, fallback: string): PygmalionDesignSessionStatus;
export declare function readPreviewVisual(operation: string, body: unknown): SessionPreviewVisualResponse;
export declare function readApplyVisual(operation: string, body: unknown): SessionApplyVisualResponse;
export declare function readRevertVisual(operation: string, body: unknown): SessionRevertVisualResponse;
export declare function readImpact(operation: string, body: unknown): InspectImpactResult;
export declare function readQaEnvelope(operation: string, body: unknown): QaCaptureEnvelope;
export declare function readSourceUsage(operation: string, body: unknown): Record<string, CompositionSourceUsage>;
export declare function readComponentBranches(body: unknown): readonly ComponentBranch[];
export declare function readHistoryMutation(operation: string, body: unknown, action: 'redo' | 'restore'): PygmalionHistoryResult;
export declare function readSessionHistory(operation: string, body: unknown): SessionHistoryResponse;