import type { FluidDimension } from './kernels.cjs';
export type FluidInitializationMode = 'block-lattice' | 'block-jittered-lattice' | 'sphere-lattice' | 'random-domain';
export interface FluidVectorComponents {
    x?: number | undefined;
    y?: number | undefined;
    z?: number | undefined;
}
export type FluidComponentsInput = number[] | FluidVectorComponents;
export interface FluidParticleLayoutOptions {
    mode?: FluidInitializationMode | undefined;
    count?: number | undefined;
    dimension?: FluidDimension | undefined;
    spacing?: number | undefined;
    particleRadius?: number | undefined;
    domainDimensions?: FluidComponentsInput | undefined;
    fill?: FluidComponentsInput | undefined;
    center?: FluidComponentsInput | undefined;
    jitter?: number | undefined;
    seed?: number | undefined;
    excessParticlePolicy?: 'repeat' | 'error' | undefined;
}
/**
 * Generate deterministic CPU particle positions for fluid initialization.
 */
export declare function createFluidParticleLayout(options?: FluidParticleLayoutOptions): Float32Array;