import { FaceMeshWorkerResult } from '../providers/face-mesh.client';
import { SegmentationResult } from '../providers/segmentation.client';
import { EffectFeature, IMLProvider, IVideoEffect } from '../types';

export interface MLDetectionResult {
    segmentation: SegmentationResult | null;
    faceMesh: FaceMeshWorkerResult | null;
}
export interface CustomProvidersConfig {
    segmentation?: IMLProvider<unknown, SegmentationResult>;
    faceMesh?: IMLProvider<unknown, FaceMeshWorkerResult>;
}
export declare class MLProvidersManager {
    private segmentationProvider;
    private faceMeshProvider;
    private requiredFeatures;
    registerProvider(feature: EffectFeature, provider: IMLProvider<unknown, unknown>): void;
    updateRequiredFeatures(effects: IVideoEffect[]): void;
    initializeRequired(): Promise<void>;
    detect(imageData: ImageData, timestamp: number): Promise<MLDetectionResult>;
    wouldReturnCache(): boolean;
    getCachedResults(): MLDetectionResult;
    disposeUnused(): void;
    dispose(): void;
    private detectSegmentation;
    private detectFaceMesh;
}