/**
 * Reading one value out of a report, for scripting.
 *
 * `stats --today --json` returns a whole nested object, so extracting a single
 * number needed `jq` or a Node one-liner -- and there was no exit-code signal to
 * branch on at all, which is what a scheduled job or an alert actually needs.
 */
export declare class FieldError extends Error {
}
/**
 * Resolves a dotted path, with numeric segments indexing arrays.
 *
 * A path that does not exist is an ERROR, not an empty string. A threshold check
 * against a silently-missing field would pass forever, which is the worst
 * possible failure mode for an alert: it looks like everything is fine.
 */
export declare function readField(data: unknown, path: string): unknown;
/** Renders a scalar for a shell to consume: one value, no quotes, no formatting. */
export declare function renderField(value: unknown, path: string): string;
/**
 * Whether a threshold was breached.
 *
 * Deliberately requires an explicit `--field`, and there is no default.
 *
 * "Fail if cost exceeded $25" has no single answer in this tool: reported and
 * estimated cost are separate figures that are never summed, so a default would
 * silently pick one and ignore every record priced the other way. The caller
 * names the figure, which also means the check reads as what it is --
 * `--field cost.estimated --fail-over 25`.
 */
export declare function exceedsThreshold(value: unknown, threshold: number, path: string): boolean;