export interface PasteOverflowState {
    readonly overflow: true;
}
export type PasteAccumState = string | PasteOverflowState | null;
export interface PasteFeedResult {
    /** New accumulator state: text while buffering, overflow marker, or `null` when idle. */
    accum: PasteAccumState;
    /**
     * The fully-assembled paste payload when an end marker closed it, else
     * `null` (still buffering).
     */
    complete: string | null;
    /** Set when accumulation exceeded the hard paste cap and was discarded. */
    error?: string | undefined;
}
/**
 * Feed one keypress fragment into the paste accumulator.
 *
 * @param accum current accumulator (`null` when idle, object after overflow)
 * @param input the raw keypress string for this event
 * @returns `null` when `input` is not part of a paste (the caller should
 *   handle it as normal input); otherwise the updated accumulation state.
 */
export declare function feedPaste(accum: PasteAccumState, input: string): PasteFeedResult | null;
//# sourceMappingURL=paste-accumulator.d.ts.map