/** Default newest-first parent-Run page size. */
export declare const DEFAULT_PARENT_RUN_LIST_LIMIT = 20;
/** Default deterministic RunStep page size. */
export declare const DEFAULT_PARENT_RUN_STEP_LIMIT = 100;
/** Hard cap for any parent-Run or RunStep read page. */
export declare const MAX_PARENT_RUN_READ_LIMIT = 500;
/** Default canonical byte budget for exact parent-Run evidence. */
export declare const DEFAULT_PARENT_RUN_EVIDENCE_BYTE_BUDGET: number;
/** Hard canonical byte budget for exact parent-Run evidence. */
export declare const MAX_PARENT_RUN_EVIDENCE_BYTE_BUDGET: number;
/** @throws {ValidationError} When a parent-Run identity is not safely resolvable. */
export declare function requireRunId(value: unknown): string;
/** @throws {ValidationError} When a RunStep offset is outside the bounded range. */
export declare function requireOffset(value: number): number;
/** @throws {ValidationError} When a requested read limit is outside its bounded range. */
export declare function requirePositiveLimit(value: number, maximum: number, code: string, label: string): number;
/** Recursively freeze a bounded read projection before it crosses the package boundary. */
export declare function deepFreeze<T>(value: T, seen?: WeakSet<object>): T;
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