import { IMLProvider } from '../types';

export interface IBaseMLProviderOptions {
    minInterval?: number;
    cacheEnabled?: boolean;
}
export declare abstract class BaseMLProvider<TConfig, TResult> implements IMLProvider<TConfig, TResult> {
    protected initialized: boolean;
    protected lastCallTime: number;
    protected minInterval: number;
    protected pendingPromise: Promise<TResult> | null;
    protected lastResult: TResult | null;
    protected cacheEnabled: boolean;
    constructor(options?: IBaseMLProviderOptions);
    initialize(config?: TConfig): Promise<void>;
    detect(imageData: ImageData, timestamp?: number): Promise<TResult>;
    wouldReturnCache(): boolean;
    getLastResult(): TResult | null;
    isReady(): boolean;
    clearCache(): void;
    dispose(): Promise<void>;
    protected abstract onInitialize(config?: TConfig): Promise<void>;
    protected abstract onDetect(imageData: ImageData, timestamp: number): Promise<TResult>;
    protected abstract onDispose(): Promise<void>;
}