/**
 * Build ctorParameters for constructor DI in JIT format:
 * [{ type: ServiceA }, { type: ServiceB, decorators: [{type: Optional}] }]
 *
 * Accepts an OXC ClassDeclaration node and the original source string.
 */
export declare function buildCtorParameters(classNode: any, sourceCode: string, typeOnlyImports: Set<string>): string | null;
/**
 * Build propDecorators for field decorators + signal API downleveling.
 * Returns a JS object literal string or null if no props.
 *
 * Accepts an OXC ClassDeclaration node and the original source string.
 */
export declare function buildPropDecorators(classNode: any, sourceCode: string): string | null;