import type { Exec } from '../exec.js';
import type { SupervisorBackend } from '../supervisor/types.js';
import type { LogPage, LogRecord } from './types.js';
export declare function redactLogLine(input: string, patterns?: RegExp[]): {
    text: string;
    redactionApplied: boolean;
};
export interface RoleLogSource {
    tail(limit: number, cursor?: string): Promise<LogPage>;
}
/**
 * Presentation-only compaction for noisy historical monitor transport hiccups.
 * Exact reason and adjacency are part of the key: a different or intervening
 * record always starts a new run. Source journal/file records are untouched.
 */
export declare function compactMonitorStreamHiccups(records: LogRecord[]): LogRecord[];
export declare class StructuredLogService {
    private readonly backend;
    private readonly exec;
    private readonly cursorKey;
    constructor(backend: SupervisorBackend, exec?: Exec);
    source(roleId: string): RoleLogSource;
    private tail;
    private cursor;
    private validCursor;
}
/** Bounded launchd file reader used by tests and diagnostics. */
export declare function readKnownRoleLog(roleId: string, limit?: number): LogPage;