import { BaseSource } from './base';
import { Constructor, int } from '../../types';
export declare function VisualSourceMixin<T extends Constructor<BaseSource>>(Base: T): {
    new (...args: any[]): {
        /**
         * The height of the source
         */
        height: int;
        /**
         * The width of the source
         */
        width: int;
        /**
         * The aspect ratio of the source
         */
        get aspectRatio(): number;
        id: string;
        mimeType: string;
        input: import('../..').MediaInput;
        name: string;
        createdAt: string;
        init(): Promise<void>;
        arrayBuffer(): Promise<ArrayBuffer>;
        toJSON(): string;
        fromJSON<K = {}>(obj: K extends string ? never : K): /*elided*/ any;
    };
} & T;