/**
 * Single source of truth for all configuration defaults
 *
 * This file contains both production and test defaults in one place,
 * making it easy to see and modify configuration for any environment.
 *
 * To change production config: edit CONFIG_DEFAULTS.production
 * To change test config: edit CONFIG_DEFAULTS.test
 */
import type { ColorSpace } from "../schemas/color.js";
/**
 * Configuration structure
 */
export interface ConfigDefaults {
    readonly patternSource: string;
    readonly defaultOutputFormat: ColorSpace;
    readonly defaultPaletteName: string;
    readonly maxConcurrency: number;
}
/**
 * All configuration defaults for production and test environments
 *
 * This is the single source of truth for all config values.
 */
export declare const CONFIG_DEFAULTS: {
    /**
     * Production configuration
     *
     * Used when running the CLI in production/normal mode
     */
    readonly production: {
        readonly patternSource: string;
        readonly defaultOutputFormat: "hex";
        readonly defaultPaletteName: "generated";
        readonly maxConcurrency: 3;
    };
    /**
     * Test configuration
     *
     * Used in test environments for predictable, isolated testing
     */
    readonly test: {
        readonly patternSource: "test/fixtures/valid-palettes/example-orange.json";
        readonly defaultOutputFormat: "hex";
        readonly defaultPaletteName: "generated";
        readonly maxConcurrency: 3;
    };
};
/**
 * Type guard to ensure config matches expected structure
 */
export declare const isValidColorSpace: (value: string) => value is ColorSpace;
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