export interface TemplateVars {
    [key: string]: string | number | boolean | undefined;
}
/**
 * Render a Mustache-style template by substituting {{var}} occurrences.
 *
 * Contract:
 *   - {{var}} is replaced with vars[var] if defined, else left in place
 *     (so partial renders are detectable downstream by the lint step)
 *   - {{var.path}} dotted keys are NOT supported in iter 3 — flat keys only
 *   - Escaping: no built-in HTML escape. Templates that need JSON-safe
 *     output should pre-escape their vars; this is template-engine-agnostic.
 *   - Whitespace inside {{ }} is tolerated: {{  name  }} renders the same
 *     as {{name}}.
 *
 * Returns the rendered string and a list of any unresolved variable names
 * (so the CLI can warn about missing vars).
 */
export declare function render(template: string, vars: TemplateVars): {
    output: string;
    unresolved: string[];
};
/**
 * Extract every {{var}} reference from a template so we can verify the
 * template's declared vars (in its manifest.json) match the ones it
 * actually uses. Run this as a pre-commit lint on the template directory.
 */
export declare function extractVarReferences(template: string): string[];
/**
 * Validate that a harness name is npm-publishable. Mirrors npm's own
 * package-name validation (https://docs.npmjs.com/cli/v10/configuring-npm/package-json#name)
 * with the additional kebab-case + leading-letter rule generated harnesses
 * inherit.
 */
export declare function validateHarnessName(name: string): {
    valid: boolean;
    reason?: string;
};
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