import type { Stack } from '../../Stack.js';
interface CheckStackOptions {
    /**
     * All images should have the same dimensions.
     * @default `false`
     */
    sameDimensions?: boolean;
    /**
     * Verify that the images have or don't have an alpha channel.
     */
    alpha?: boolean;
    /**
     *
     */
    bitDepth?: number | number[];
}
/**
 * This method checks if a process can be applied on the stack.
 * @param stack - Stack to verify.
 * @param options - Check processable options.
 */
export declare function checkProcessable(stack: Stack, options?: CheckStackOptions): void;
export {};
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