import { type ChildProcess } from "node:child_process";
export interface RotatingTextSinkOptions {
    path: string;
    max_bytes: number;
    backups?: number;
    durable?: boolean;
}
export interface ProcessLogDestinationOptions {
    coord_root: string;
    project_root?: string;
    family_id: string;
    filename: string;
    legacy_path: string;
    env?: Readonly<Record<string, string | undefined>>;
}
export interface RotatingProcessOptions {
    path: string;
    command: string;
    arguments?: string[];
    env?: Readonly<Record<string, string | undefined>>;
    max_bytes?: number;
    backups?: number;
}
/** Resolve one catalog-owned partition path, with an explicit legacy rollback. */
export declare function processLogDestination(options: ProcessLogDestinationOptions): string;
export declare class RotatingTextSink {
    #private;
    constructor(options: RotatingTextSinkOptions);
    append(text: string): void;
    startGeneration(): void;
    flush(): void;
    close(): void;
}
/** Spawn a detached-compatible Bun wrapper that continuously rotates child stdout/stderr. */
export declare function spawnRotatingProcess(options: RotatingProcessOptions): ChildProcess;
/** Run a short process synchronously while keeping its captured output bounded. */
export declare function runRotatingProcessSync(options: RotatingProcessOptions): number | null;
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