import type { GatewayBuildOptions, GatewayToolPolicy, ResolvedGatewayBuildOptions } from './types';
export declare class GatewayPolicyError extends Error {
    constructor(message: string);
}
export interface GatewayToolExecutionResult {
    readonly content: unknown;
    readonly isError: boolean;
}
export declare function normalizeGatewayBuildOptions(value: unknown, field: string, cwd: string): GatewayBuildOptions | undefined;
export declare function resolveGatewayConfiguration(value: GatewayBuildOptions | undefined, field: string, cwd: string): ResolvedGatewayBuildOptions;
export declare function validateGatewaySettings(settings: Record<string, unknown>): string | null;
export declare function normalizeGatewayToolPolicy(value: GatewayToolPolicy, field: string, cwd: string): GatewayToolPolicy;
export declare function executeGatewayToolCall(toolName: string, input: unknown, policy: GatewayToolPolicy): Promise<GatewayToolExecutionResult>;
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