import type { EscalateDetails, EscalateTrigger, ReviewThread } from "../../types.mts";
interface EscalateCheck {
    triggers: EscalateTrigger[];
    thrashHistory?: EscalateDetails["thrashHistory"];
}
export declare function checkEscalateTriggers(actionableThreads: ReviewThread[], threadAttempts: Record<string, number>): EscalateCheck;
interface BaseBranchLookup {
    branch: string;
    /** True when we could not confirm the branch name from GitHub. Callers must
     * escalate rather than emitting a rebase against a potentially-wrong base. */
    isFallback: boolean;
    /** Populated when `isFallback`; one-line reason shown in escalate output. */
    failureReason?: string;
}
/**
 * Validate the base branch name from the GraphQL batch (`report.baseBranch`)
 * and fall back safely if it's missing/unsafe. The branch is interpolated into
 * shell commands by `buildFixInstructions`, so we reject anything outside
 * `[A-Za-z0-9._/-]` to prevent shell injection.
 */
/**
 * Render a seconds count as an approximate human duration: "8 seconds" below one minute,
 * otherwise whole minutes ("166 minutes", "60 minutes") — matching the precision the
 * generic stall timer has always reported, just adding a seconds tier for sub-minute ages
 * instead of always flooring to "0 minutes".
 */
export declare function formatDurationApprox(seconds: number): string;
export declare function validateBaseBranch(raw: string): BaseBranchLookup;
export declare function buildEscalateHumanMessage(escalate: Omit<EscalateDetails, "humanMessage">, pr: string | number, opts?: {
    merge?: boolean;
}): string;
export declare function buildEscalateSuggestion(triggers: EscalateTrigger[], detail?: string): string;
export {};