/**
 * Runtime context detection and entry availability matching (Browser version).
 *
 * Returns safe defaults for browser environments. The matcher and
 * `EntryAvailability` shape track the Node version (issue #417 added
 * `os`/`provider`/`target`/`surface`).
 */
export interface RuntimeContext {
    /** Issue #417: renamed from `platform`. */
    os: string;
    /** @deprecated Use `os`. */
    platform: string;
    runtime: string;
    deployment: string;
    /** Issue #417 — deploy provider. Always `'bare'` in browser. */
    provider: string;
    /** Issue #417 — build target. Always `'browser'` in browser. */
    target: string;
    env: string;
}
export type Surface = 'mcp' | 'cli' | 'http-trigger' | 'job' | 'agent';
export interface CallContext {
    surface?: Surface;
}
export interface EntryAvailability {
    /** Issue #417: renamed from `platform`. */
    os?: string[];
    /** @deprecated Use `os`. */
    platform?: string[];
    runtime?: string[];
    deployment?: string[];
    provider?: string[];
    target?: string[];
    surface?: Surface[];
    env?: string[];
}
export declare const entryAvailabilitySchema: import("@frontmcp/lazy-zod").ZodObject<{
    os: import("@frontmcp/lazy-zod").ZodOptional<import("@frontmcp/lazy-zod").ZodArray<import("@frontmcp/lazy-zod").ZodString>>;
    platform: import("@frontmcp/lazy-zod").ZodOptional<import("@frontmcp/lazy-zod").ZodArray<import("@frontmcp/lazy-zod").ZodString>>;
    runtime: import("@frontmcp/lazy-zod").ZodOptional<import("@frontmcp/lazy-zod").ZodArray<import("@frontmcp/lazy-zod").ZodString>>;
    deployment: import("@frontmcp/lazy-zod").ZodOptional<import("@frontmcp/lazy-zod").ZodArray<import("@frontmcp/lazy-zod").ZodString>>;
    provider: import("@frontmcp/lazy-zod").ZodOptional<import("@frontmcp/lazy-zod").ZodArray<import("@frontmcp/lazy-zod").ZodString>>;
    target: import("@frontmcp/lazy-zod").ZodOptional<import("@frontmcp/lazy-zod").ZodArray<import("@frontmcp/lazy-zod").ZodString>>;
    surface: import("@frontmcp/lazy-zod").ZodOptional<import("@frontmcp/lazy-zod").ZodArray<import("@frontmcp/lazy-zod").ZodEnum<{
        cli: "cli";
        mcp: "mcp";
        "http-trigger": "http-trigger";
        job: "job";
        agent: "agent";
    }>>>;
    env: import("@frontmcp/lazy-zod").ZodOptional<import("@frontmcp/lazy-zod").ZodArray<import("@frontmcp/lazy-zod").ZodString>>;
}, import("zod/v4/core").$strict>;
export declare function isEntryAvailable(availability: EntryAvailability | undefined, ctx: RuntimeContext, callCtx?: CallContext): boolean;
export declare function checkEntryAvailability(availability: EntryAvailability | undefined, ctx: RuntimeContext, callCtx?: CallContext): {
    available: boolean;
    missingAxes: (keyof EntryAvailability)[];
};
export declare function detectRuntimeContext(): RuntimeContext;
export declare function getRuntimeContext(): RuntimeContext;
export declare function resetRuntimeContext(): void;