/**
 * Everything that changes *what bytes the model received* has to be part of the key.
 * Keying on the path alone made reading lines 1-50 suppress a later read of lines 51-100
 * as "unchanged", withholding content the model had never seen.
 */
export interface ReadView {
    compact: boolean;
    lineNumbers?: boolean;
    offset?: number;
    limit?: number;
}
export interface ReadDedupCheck {
    unchanged: boolean;
    hash: string;
}
/** Check whether this exact (path, view) content was already sent this session. */
export declare function checkAlreadySent(resolvedPath: string, view: ReadView, rawContent: string): ReadDedupCheck;
/**
 * The text last emitted for this (path, view), or null if we have none — because this is
 * the first read, or because the entry was evicted under the size cap. A null here means
 * "send the full file", never "assume it is unchanged".
 */
export declare function getLastEmitted(resolvedPath: string, view: ReadView): string | null;
/** Record that this content was just sent, so future identical reads short-circuit. */
export declare function recordSent(resolvedPath: string, view: ReadView, hash: string, emitted?: string): void;
/** Test seam — the maps are process-global and would otherwise leak between test cases. */
export declare function resetReadCache(): void;
//# sourceMappingURL=ReadWorkspaceCache.d.ts.map