/**
 * A comment that contains legal information.
 */
/**
 * Minifies the given source code.
 *
 * Based on https://github.com/vwochnik/rollup-plugin-glsl
 *
 * @param source - The source code.
 * @param preserveLegalComments - Controls whether license comments should be preserved.
 * @return The minified code.
 */
export declare function minifyShader(source: string, preserveLegalComments: boolean): string;