/**
 * Copy single channel from one sampler to another
 * @param {Sampler2D} source
 * @param {number} source_channel
 * @param {Sampler2D} destination
 * @param {number} destination_channel
 */
export function sampler2d_copy_channel_data(source: Sampler2D, source_channel: number, destination: Sampler2D, destination_channel: number): void;
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