import { InternalMcpError } from '../errors/mcp.error';
/**
 * Raised when `metrics.path` collides with an MCP transport route prefix
 * (`/mcp`, `/sse`, `/messages`).
 */
export declare class MetricsPathConflictError extends InternalMcpError {
    readonly conflictingPath: string;
    constructor(conflictingPath: string);
}
/**
 * Raised when `metrics.auth === 'token'` is configured but the env var
 * named by `metrics.tokenEnv` is unset.
 */
export declare class MetricsTokenNotConfiguredError extends InternalMcpError {
    readonly tokenEnv: string;
    constructor(tokenEnv: string);
}
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