/**
 * Skill Installer
 *
 * Handles installation of skill dependencies via various package managers.
 *
 */
import type { RuntimeToolsConfig } from '../../config/schema.js';
import type { SkillEntry, SkillInstallResult, SkillInstallSpec } from './types.js';
export interface InstallContext {
    stateDir: string;
    runtimeConfig: RuntimeToolsConfig;
    skillEntry: SkillEntry;
    installSpec: SkillInstallSpec;
    timeoutMs: number;
}
/**
 * Check if a binary exists
 */
export declare function hasBinary(name: string): boolean;
/**
 * Resolve brew executable path
 */
export declare function resolveBrewExecutable(): string | undefined;
/**
 * Find install spec by ID
 */
export declare function findInstallSpec(entry: SkillEntry, installId: string): SkillInstallSpec | undefined;
/**
 * Install a skill dependency
 */
export declare function installSkill(ctx: InstallContext): Promise<SkillInstallResult>;