import type { Violation } from '../../../domain/violation';
export declare const POLICY_BASELINE_VERSION = "1";
export interface PolicyBaseline {
    readonly version: string;
    readonly frozen: readonly string[];
    readonly createdAt?: string;
}
export type EnforceMode = 'warn' | 'block';
export declare function freezeViolations(violations: readonly Violation[], opts?: {
    readonly createdAt?: string;
}): PolicyBaseline;
export declare function applyBaseline(violations: readonly Violation[], baseline: PolicyBaseline): {
    frozen: Violation[];
    fresh: Violation[];
};
export declare function ratchet(baseline: PolicyBaseline, currentViolations: readonly Violation[]): {
    ok: boolean;
    grew: string[];
    shrank: string[];
};
export declare function rebase(baseline: PolicyBaseline, currentViolations: readonly Violation[], opts?: {
    readonly createdAt?: string;
}): PolicyBaseline;
export declare function decide(fresh: readonly Violation[], mode: EnforceMode): {
    blocking: boolean;
    count: number;
};