import type { AgentModelRequirements } from '../../book-2.0/agent-source/AgentModelRequirements';
import { BaseCommitmentDefinition } from '../_base/BaseCommitmentDefinition';
/**
 * META FONT commitment definition
 *
 * The META FONT commitment sets the agent's font.
 * This commitment is special because it doesn't affect the system message,
 * but is handled separately in the parsing logic.
 *
 * Example usage in agent source:
 *
 * ```book
 * META FONT Poppins, Arial, sans-serif
 * META FONT Roboto
 * ```
 *
 * @private [🪔] Maybe export the commitments through some package
 */
export declare class MetaFontCommitmentDefinition extends BaseCommitmentDefinition<'META FONT'> {
    constructor();
    /**
     * Short one-line description of META FONT.
     */
    get description(): string;
    /**
     * Icon for this commitment.
     */
    get icon(): string;
    /**
     * Markdown documentation for META FONT commitment.
     */
    get documentation(): string;
    applyToAgentModelRequirements(requirements: AgentModelRequirements, content: string): AgentModelRequirements;
    /**
     * Extracts the font from the content
     * This is used by the parsing logic
     */
    extractProfileFont(content: string): string | null;
}