export declare const DEFAULT_REVIEW_DIFF_BYTES: number;
export declare const MAX_REVIEW_DIFF_BYTES: number;
export interface BoundedProcessResult {
    stdout: string;
    stderr: string;
    exitCode: number | null;
    signal: NodeJS.Signals | null;
    timedOut: boolean;
    stdoutOverflow: boolean;
    stderrOverflow: boolean;
    spawnCode?: string;
}
export interface BoundedProcessOptions {
    cwd?: string;
    timeoutMs?: number;
    killGraceMs?: number;
    terminalWaitMs?: number;
    maxStdoutBytes?: number;
    maxStderrBytes?: number;
}
export type ReviewGhRunner = (args: string[], options?: BoundedProcessOptions) => Promise<BoundedProcessResult>;
export type ReviewDiffErrorKind = 'gh-missing' | 'auth' | 'lookup' | 'timeout' | 'buffer' | 'provider' | 'malformed-response';
export declare class ReviewDiffError extends Error {
    readonly kind: ReviewDiffErrorKind;
    readonly stage: string;
    readonly exitCode: number | null;
    readonly stderr: string;
    constructor(kind: ReviewDiffErrorKind, stage: string, message: string, exitCode?: number | null, stderr?: string);
}
export interface ReviewDiffScope {
    include: string[];
    exclude: string[];
    maxDiffBytes: number;
}
export type ProviderPatchState = 'complete' | 'partial' | 'omitted';
export interface ReviewDiffFile {
    filename: string;
    previousFilename?: string;
    status: string;
    additions: number;
    deletions: number;
    changes: number;
    expectedChangedLines: number;
    providerChangedLines: number;
    providerPatchState: ProviderPatchState;
    includedPatch: string;
    localTruncated: boolean;
}
export interface ReviewPatchCoverage {
    complete: string[];
    providerPartial: string[];
    providerOmitted: string[];
    localTruncated: string[];
}
export interface ReviewDiffResult {
    prNum: number;
    repository: string;
    allFiles: string[];
    files: ReviewDiffFile[];
    includedDiffBytes: number;
    includedDiffLines: number;
    coverage: ReviewPatchCoverage;
    providerFileListTruncated: boolean;
}
/** Spawn without a shell, drain both pipes, and retain only bounded output. */
export declare function runBoundedProcess(command: string, args: string[], options?: BoundedProcessOptions): Promise<BoundedProcessResult>;
export declare function sanitizeGhDiagnostic(input: string): string;
export declare function matchesReviewScope(filename: string, previousFilename: string | undefined, scope: Pick<ReviewDiffScope, 'include' | 'exclude'>): boolean;
export declare function utf8Prefix(value: string, maxBytes: number): string;
export declare function collectReviewDiff(cwd: string, requestedPr: number | undefined, scope: ReviewDiffScope, runner?: ReviewGhRunner): Promise<ReviewDiffResult>;
export declare function formatReviewDiffError(error: ReviewDiffError): string;
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