import * as ts from './ts-ast';
/**
 * Convert from a type annotation in Closure syntax to a TypeScript type
 * expression AST (e.g `Array` => `Array<any>|null`).
 */
export declare function closureTypeToTypeScript(closureType: (string | null | undefined), templateTypes?: string[]): ts.Type;
/**
 * Convert from a parameter type annotation in Closure syntax to a TypeScript
 * type expression AST
 * (e.g `Array=` => `{type: 'Array<any>|null', optional: true}`).
 */
export declare function closureParamToTypeScript(closureType: (string | null | undefined), templateTypes?: string[]): {
    type: ts.Type;
    optional: boolean;
    rest: boolean;
};