export declare class DeepReviewValidationError extends Error {
    readonly code: string;
    constructor(code: string, message: string);
}
export declare function isRecord(value: unknown): value is Record<string, unknown>;
export declare function assertNoExtraKeys(record: Record<string, unknown>, allowedKeys: ReadonlySet<string>, context: string): void;
export declare function requireString(value: unknown, field: string, context: string, options?: {
    maxLength?: number;
    pattern?: RegExp;
}): string;
export declare function requireNumber(value: unknown, field: string, context: string, options?: {
    integer?: boolean;
    min?: number;
    max?: number;
}): number;
export declare function requireEnum<T extends string>(value: unknown, field: string, context: string, allowed: ReadonlySet<T>): T;
export declare function requireArray<T>(value: unknown, field: string, context: string, parseItem: (item: unknown, index: number) => T, options?: {
    maxLength?: number;
}): readonly T[];
export declare function optionalField<T>(record: Record<string, unknown>, key: string, parse: (value: unknown) => T): T | undefined;
export declare const GIT_SHA_PATTERN: RegExp;
export declare const REPO_RELATIVE_PATH_PATTERN: RegExp;
export declare function isValidRepoRelativePath(pathValue: string): boolean;
export declare function requireGitSha(value: unknown, field: string, context: string): string;
export declare function requireRepoRelativePath(value: unknown, field: string, context: string): string;
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