import type { ApplicationLogger } from '@fluojs/runtime';
/** Severity threshold accepted by `createConsoleApplicationLogger(...)`. */
export type ConsoleApplicationLoggerLevel = 'debug' | 'error' | 'log' | 'warn';
/** Console formatting mode accepted by `createConsoleApplicationLogger(...)`. */
export type ConsoleApplicationLoggerMode = 'minimal' | 'pretty' | 'silent';
/** Options used to tune the Node console logger without replacing the runtime logger contract. */
export interface ConsoleApplicationLoggerOptions {
    /**
     * Controls console formatting.
     *
     * - `pretty` keeps the historical timestamp, pid, level, context, and message format.
     * - `minimal` writes only `[fluo] LEVEL [context] message`.
     * - `silent` suppresses all logger methods.
     */
    mode?: ConsoleApplicationLoggerMode;
    /** Lowest severity emitted by the logger. Defaults to `debug`, preserving existing output. */
    level?: ConsoleApplicationLoggerLevel;
    /** Override TTY-aware ANSI color detection. */
    color?: boolean;
    /** Explicit host color environment passed from the application/bootstrap boundary. */
    environment?: ConsoleApplicationLoggerEnvironment;
}
/** Host color environment used by `createConsoleApplicationLogger(...)` without reading globals directly. */
export interface ConsoleApplicationLoggerEnvironment {
    /** Whether `NO_COLOR`-style color suppression is enabled. */
    noColor?: boolean;
    /** `FORCE_COLOR`-style value used to force ANSI color output when truthy. */
    forceColor?: string;
}
/**
 * Create console application logger.
 *
 * @param options Console logger mode, severity threshold, and color override.
 * @returns The create console application logger result.
 */
export declare function createConsoleApplicationLogger(options?: ConsoleApplicationLoggerOptions): ApplicationLogger;
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