/**
 * @name SapMcpPricing
 * @description Pricing registry for hosted SAP MCP tool monetization.
 */
import type { SapMcpMonetizationConfig } from '../../config-runtime/src/env.js';
import type { McpToolCall, ParsedMcpRequest } from './json-rpc.js';
/**
 * @name PaymentTier
 * @description Commercial pricing tier for an MCP request.
 */
export type PaymentTier = 'free' | 'micro-read' | 'read-premium' | 'builder' | 'value-action' | 'batch';
/**
 * @name ToolPricing
 * @description Resolved price classification for one tool call.
 */
export interface ToolPricing {
    toolName: string;
    tier: PaymentTier;
    priceUsd: number;
    reason: string;
    exactPrice?: boolean;
}
/**
 * @name PricingCatalog
 * @description Public, machine-readable pricing and routing model exposed to agents.
 */
export interface PricingCatalog {
    source: 'sap-mcp-pricing-registry';
    version: 1;
    strictTools: boolean;
    currency: 'USD';
    tiers: Record<PaymentTier, {
        paymentRequired: boolean;
        priceUsd?: number;
        pricingRule: string;
        examples: string[];
    }>;
    toolSets: {
        free: string[];
        microRead: string[];
        conditionalFree: string[];
        conditionalMicroRead: string[];
        readPremium: string[];
        builders: string[];
        valueActions: string[];
        heavyValueActions: string[];
        valueActionPrefixes: string[];
    };
    runtimeRules: string[];
}
/**
 * @name PaymentDecision
 * @description Aggregated payment requirement for a JSON-RPC MCP request.
 */
export type PaymentDecision = {
    required: false;
    tier: 'free';
    reason: string;
    toolPricings: ToolPricing[];
} | {
    required: true;
    tier: Exclude<PaymentTier, 'free'>;
    priceUsd: number;
    price: string;
    description: string;
    toolPricings: ToolPricing[];
    toolNames: string[];
};
/**
 * @name buildPricingCatalog
 * @description Returns the public pricing catalog used by docs, agents, and marketplace metadata.
 */
export declare function buildPricingCatalog(config: SapMcpMonetizationConfig): PricingCatalog;
/**
 * @name resolvePaymentDecision
 * @description Calculates whether a parsed MCP request requires payment and the exact USD price.
 */
export declare function resolvePaymentDecision(parsedRequest: ParsedMcpRequest, config: SapMcpMonetizationConfig): PaymentDecision;
/**
 * @name priceToolCall
 * @description Classifies and prices a single MCP tool invocation.
 */
export declare function priceToolCall(toolCall: McpToolCall, config: SapMcpMonetizationConfig): ToolPricing;
/**
 * @name classifyTool
 * @description Maps a tool name to the default hosted monetization tier.
 */
export declare function classifyTool(toolName: string, config?: Pick<SapMcpMonetizationConfig, 'strictTools'>): PaymentTier;
/**
 * @name formatUsdPrice
 * @description Formats a decimal USD price for x402 money parsing while preserving small prices.
 */
export declare function formatUsdPrice(priceUsd: number): string;
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