import type { CompiledRuleset, RedactionStats } from "./types.js";
export interface EngineMatch {
    start: number;
    end: number;
    priority: number;
    token: string;
    category: string;
    ruleIndex: number;
}
export interface ScanSpan {
    ruleName: string;
    category: string;
    start: number;
    end: number;
    value: string;
}
export declare function scanString(input: string, rs: CompiledRuleset, options?: {
    captureSpans?: boolean;
}): {
    redacted: string;
    stats: RedactionStats;
    spans?: ScanSpan[];
};