/**
 * C# test emitter — TypeNode → xUnit test file.
 *
 * Replaces `test.cs.njk` Nunjucks template with a typed TypeScript function
 * that produces a complete C# xUnit test class.
 *
 * Each TypeNode with samples/coercions/factories gets one test file
 * containing LoadYaml, LoadJson, roundtrip, and validity tests.
 */
import { FactoryEntry } from "../../decorators.js";
import { TypeNode } from "../../ir/ast.js";
export interface CSharpTestContext {
    node: TypeNode;
    namespace: string;
    examples: Array<{
        json: string[];
        yaml: string[];
        sample?: Record<string, unknown>;
        validations: Array<{
            key: string;
            value: any;
            isExpression: boolean;
            withheldOnSave?: boolean;
        }>;
    }>;
    coercions: Array<{
        title: string;
        scalar: string;
        value: string | number;
        validations: Array<{
            key: string;
            value: any;
            delimiter: string;
        }>;
    }>;
    factories: FactoryEntry[];
    /** Property keys whose C# type is 32-bit `float`, so their test literals need an `f` suffix. */
    singlePrecisionKeys: ReadonlySet<string>;
    renderName: (name: string) => string;
    renderCsharpFactoryMethodName: (factoryName: string) => string;
    renderCsharpFactoryTestValue: (typeStr: string) => string;
}
/**
 * Emit a complete C# xUnit test file for a type node.
 */
export declare function emitCSharpTest(ctx: CSharpTestContext): string;