/**
 * Fitting command output into an answer field.
 *
 * A field carries the output itself, so it needs a ceiling the transport
 * buffer does not give: 10 MiB of journal would arrive as data and crowd out
 * everything else the caller holds. What is cut is said in bytes rather than
 * shown by a seam alone — a command can print a line that looks exactly like
 * one, and only a number the server put there cannot be faked by the output.
 */
/** How much output of one command fits into a field */
export declare const FIELD_LIMIT_BYTES: number;
export interface ClippedText {
    text: string;
    /** Bytes removed from the middle; `0` — the output arrived whole */
    clippedBytes: number;
}
/**
 * The output as it goes into a field.
 *
 * Both ends are kept because the meaning sits at either one: a table puts it
 * in the header, a build or a log puts it in the last lines. `keepTail: false`
 * is for output that was already cut by the transport — there the end of what
 * arrived is not the end of the output, and offering it as a tail would pass
 * an incomplete answer off as a whole one.
 */
export declare function clipForField(text: string, options?: {
    limit?: number;
    keepTail?: boolean;
}): ClippedText;