import { type Applog, ApplogForInsert, CidString } from '../applog/datom-types.ts';
import { Thread } from './basic.ts';
export declare abstract class WriteableThread extends Thread {
    constructor(name: string, applogs: Applog[], filters: readonly string[]);
    purge(cidsToPurge: CidString[]): number;
    insert(appLogsToInsert: ApplogForInsert[]): Applog[];
    /**
     * Insert only applogs not already in this thread.
     * @param byRef If true, compares by reference; if false, compares by CID (default)
     * @returns The applogs that were actually inserted
     */
    insertMissing(appLogsToInsert: readonly Applog[], byRef?: boolean): Applog[];
    /**
     * Insert raw applogs directly into the thread.
     *
     * STRICT VALIDATION: This method throws errors for:
     * - Duplicate applogs in input array (programming error)
     * - Invalid applogs (missing required fields)
     * - Applogs already in thread (programming error)
     *
     * For external imports where duplicates are expected, use removeDuplicateAppLogs(..., 'cleanup')
     * before calling this method.
     *
     * @param appLogsToInsert Must be deduplicated and validated. Needs to be mutable because it will be sorted
     * 	(and if you need to clone it, so do it when you need to) - this is weird as TS is slathering type safety onto ducks
     * @throws Error if validation fails
     */
    insertRaw(appLogsToInsert: Applog[]): Applog[];
    get readOnly(): boolean;
    protected abstract persist(logs: Applog[]): Promise<void>;
}
export declare class ThreadInMemory extends WriteableThread {
    readonly _readOnly: boolean;
    static empty(name?: string): ThreadInMemory;
    static fromArray(applogs: Applog[], name?: string, readOnly?: boolean): ThreadInMemory;
    static fromReadOnlyArray(applogs: readonly Applog[], name?: string): ThreadInMemory;
    constructor(name: string, applogs: Applog[], filters: readonly string[], _readOnly: boolean);
    get readOnly(): boolean;
    protected persist(logs: Applog[]): Promise<void>;
}
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