import type { Log } from '../debug.js';
/**
 * Debug logger scoped to the content-model validation module (browser build).
 * Extends the parent rule logger with a `content-model` namespace.
 * In the browser environment, color helpers are no-op stubs.
 */
export declare const cmLog: Log;
/** No-op color stub for browser environments: green background. */
export declare const bgGreen: {
    (): void;
    bold(): void;
};
/** No-op color stub for browser environments: green foreground. */
export declare const green: {
    (): void;
    bold(): void;
};
/** No-op color stub for browser environments: red background. */
export declare const bgRed: {
    (): void;
    bold(): void;
};
/** No-op color stub for browser environments: blue background. */
export declare const bgBlue: {
    (): void;
    bold(): void;
};
/** No-op color stub for browser environments: blue foreground. */
export declare const blue: {
    (): void;
    bold(): void;
};
/** No-op color stub for browser environments: magenta background. */
export declare const bgMagenta: {
    (): void;
    bold(): void;
};
/** No-op color stub for browser environments: cyan foreground. */
export declare const cyan: {
    (): void;
    bold(): void;
};