import type { MemoryBlockScope } from '../blocks/types.js';
import type { ExtractedValue, ExtractedValueStore } from './store.js';
export interface FileExtractedValueStoreOptions {
    /** Root directory. Defaults to `KURALLE_MEMORY_DIR`/extracted or `~/.kuralle/extracted`. */
    rootDir?: string;
}
/** Percent-encode anything outside a conservative filesystem-safe set. Injective. */
export declare function encodeSegment(part: string): string;
export declare class FileExtractedValueStore implements ExtractedValueStore {
    readonly rootDir: string;
    constructor(opts?: FileExtractedValueStoreOptions);
    private pathFor;
    load(scope: MemoryBlockScope, owner: string, slug: string): Promise<ExtractedValue | null>;
    save(value: ExtractedValue, owner: string): Promise<void>;
    delete(scope: MemoryBlockScope, owner: string, slug: string): Promise<void>;
}