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```typescript
// AI Dev Tool: GrapheneOS Cloudflare Worker Hono API Template
// ================================================
// A high-demand, production-ready developer code asset for building fast and secure APIs
// using Cloudflare Workers, Hono, and GrapheneOS.

// Import required dependencies
import { Hono } from 'hono';
import { env } from 'env';
import { graphQL } from 'grapheneos-graphql';

// Define the main application class
class GrapheneOSApi {
  private app: Hono;

// Initialize the application with a new Hono instance
  constructor() {
    this.app = new Hono();
  }

// Define a route for handling GraphQL queries
  async graphQLRoute(ctx: Hono.Context) {
    try {
      // Get the GraphQL query from the request body
      const query = await ctx.req.text();

// Validate and execute the GraphQL query
      const result = await graphQL(query);

// Return the query result as JSON
      return ctx.json(result);
    } catch (error) {
      // Handle errors and return a JSON error response
      return ctx.json({ error: error.message }, 400);
    }
  }

// Define a route for handling API

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