import { default as React } from 'react';
export type LogSeverity = "debug" | "info" | "warn" | "error" | "critical";
export interface LogEntry {
    /** Unique ID */
    id: string | number;
    /** Wall-clock timestamp (ISO string or Date) for ordering/export. */
    timestamp: string | Date;
    /**
     * Simulation-elapsed time in seconds (T+ format) when the event occurred.
     * Optional. When provided AND `timestampFormat="sim-elapsed"`, this is what
     * the timestamp column displays. Falls through to `timestamp` otherwise.
     */
    simTime?: number;
    /** Severity level */
    severity: LogSeverity;
    /** Log message */
    message: string;
    /** Source component/system */
    source?: string;
    /** Additional metadata */
    metadata?: Record<string, unknown>;
}
export interface LogViewerProps {
    /** Array of log entries */
    entries: LogEntry[];
    /** Maximum entries to keep in memory (default: 5000). Older entries are pruned. */
    maxEntries?: number;
    /** Height of the viewer (default: 400) */
    height?: number | string;
    /** Title */
    title?: string;
    /** Show timestamps (default: true) */
    showTimestamp?: boolean;
    /** Show source column (default: true) */
    showSource?: boolean;
    /** Show severity filter toolbar (default: true) */
    showFilters?: boolean;
    /** Show search bar (default: true) */
    showSearch?: boolean;
    /** Initial severity filters (all enabled by default) */
    defaultSeverities?: LogSeverity[];
    /**
     * Timestamp format. `'sim-elapsed'` displays `entry.simTime` as `T+HHH:MM:SS.s`
     * (falls back to wall-clock formatting if simTime is absent on an entry).
     * Default: 'time'.
     */
    timestampFormat?: "time" | "datetime" | "relative" | "sim-elapsed";
    /** Called when an entry is clicked */
    onEntryClick?: (entry: LogEntry) => void;
    /** CSS class */
    className?: string;
    /** Show outer container border (default: true). Set false when embedded inside a Container/card. */
    bordered?: boolean;
    /** Custom style overrides for the outer container */
    style?: React.CSSProperties;
    /** Estimated row height in px for virtualization (default: 28). Enables smooth scroll through large logs. */
    estimatedRowHeight?: number;
    /** Number of rows to render above/below viewport for virtualization (default: 12). */
    overscanCount?: number;
    /**
     * Enable pagination: show entries in pages with Previous/Next.
     * Page 1 = newest entries. Use with large maxEntries so users can navigate to older pages.
     * When set, scrolling is replaced by page navigation (better for very large logs).
     */
    pagination?: boolean | {
        pageSize?: number;
    };
}
export declare const LogViewer: React.NamedExoticComponent<LogViewerProps>;
export default LogViewer;