import type { FullIssueContext } from "../domain/context.js";
/**
 * Output budget enforcement.
 *
 * The rule that matters is not "stay small" but "never lie about being small".
 * Anything dropped here is reported through `overflow` so the caller can put it
 * in completeness metadata; silent truncation is a release blocker.
 *
 * Drop order is the inverse of the design's keep-priority:
 *   core metadata > description > links/dependencies > comments > changelog
 */
/** Rough proxy for tokens. Cheap, dependency-free, tuned against real payloads later. */
export declare function estimateTokens(value: unknown): number;
export type BudgetOutcome = {
    issues: FullIssueContext[];
    /** Which parts were dropped, e.g. ["comments", "description"]. */
    overflow: string[];
    complete: boolean;
    commentsComplete: boolean;
    linksComplete: boolean;
    droppedComments: number;
};
export declare function applyOutputBudget(input: FullIssueContext[], budgetTokens: number): BudgetOutcome;