import * as pulumi from "@pulumi/pulumi";
/**
 * Flattens lists of lists down to a flat list of primitive values,
 * eliminating any nested lists recursively.
 */
export declare function flatten(args: FlattenArgs, opts?: pulumi.InvokeOptions): Promise<FlattenResult>;
export interface FlattenArgs {
    input: any[];
}
export interface FlattenResult {
    readonly result: any[];
}
/**
 * Flattens lists of lists down to a flat list of primitive values,
 * eliminating any nested lists recursively.
 */
export declare function flattenOutput(args: FlattenOutputArgs, opts?: pulumi.InvokeOutputOptions): pulumi.Output<FlattenResult>;
export interface FlattenOutputArgs {
    input: pulumi.Input<any[]>;
}