import DBSource from "../database/entities/db-source";
import DBSubmission from "../database/entities/db-submission";
import DBComment from "../database/entities/db-comment";
import { SourceSchema } from "../shared/source-interfaces";
export default abstract class Source {
    protected abstract data: any;
    readonly abstract schema: SourceSchema;
    abstract readonly type: string;
    abstract readonly description: string;
    /**
     * Find the next post that this Source has available.
     */
    abstract find(): AsyncGenerator<DBSubmission | DBComment>;
    /**
     * Builds a new instance of this class, using the given DB data.
     * Validates/coerces the given DB data against this source's schema.
     */
    createFromDB(src: DBSource): this;
}