import type { MikanEvent } from "../types.js";
export type EventPayload = MikanEvent;
export interface EventStore {
    write(filename: string, payload: MikanEvent): Promise<{
        path: string;
        size: number;
    }>;
    list(): Promise<Array<{
        filename: string;
        payload: MikanEvent;
        size: number;
        mtimeMs: number;
    }>>;
    read(filename: string): Promise<{
        filename: string;
        payload: MikanEvent;
        size: number;
        mtimeMs: number;
    }>;
    update(filename: string, payload: MikanEvent): Promise<{
        path: string;
        size: number;
    }>;
    delete(filename: string): Promise<{
        deleted: boolean;
    }>;
}
export interface TruncationResult {
    /** The truncated content */
    content: string;
    /** Whether truncation occurred */
    truncated: boolean;
    /** Which limit was hit: "lines", "bytes", or null if not truncated */
    truncatedBy: "lines" | "bytes" | null;
    /** Total number of lines in the original content */
    totalLines: number;
    /** Total number of bytes in the original content */
    totalBytes: number;
    /** Number of complete lines in the truncated output */
    outputLines: number;
    /** Number of bytes in the truncated output */
    outputBytes: number;
    /** Whether the last line was partially truncated (only for tail truncation edge case) */
    lastLinePartial: boolean;
    /** Whether the first line exceeded the byte limit (for head truncation) */
    firstLineExceedsLimit: boolean;
}
export interface TruncationOptions {
    /** Maximum number of lines (default: 2000) */
    maxLines?: number;
    /** Maximum number of bytes (default: 50KB) */
    maxBytes?: number;
}
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