import * as pulumi from "@pulumi/pulumi";
/**
 * Retrieves the current IAM policy data for a Spanner instance.
 *
 * ## example
 *
 * ```typescript
 * import * as pulumi from "@pulumi/pulumi";
 * import * as gcp from "@pulumi/gcp";
 *
 * const foo = gcp.spanner.getInstanceIamPolicy({
 *     project: instance.project,
 *     instance: instance.name,
 * });
 * ```
 */
export declare function getInstanceIamPolicy(args: GetInstanceIamPolicyArgs, opts?: pulumi.InvokeOptions): Promise<GetInstanceIamPolicyResult>;
/**
 * A collection of arguments for invoking getInstanceIamPolicy.
 */
export interface GetInstanceIamPolicyArgs {
    /**
     * The name of the instance.
     */
    instance: string;
    /**
     * The ID of the project in which the resource belongs. If it
     * is not provided, the provider project is used.
     */
    project?: string;
}
/**
 * A collection of values returned by getInstanceIamPolicy.
 */
export interface GetInstanceIamPolicyResult {
    /**
     * (Computed) The etag of the IAM policy.
     */
    readonly etag: string;
    /**
     * The provider-assigned unique ID for this managed resource.
     */
    readonly id: string;
    readonly instance: string;
    /**
     * (Computed) The policy data
     */
    readonly policyData: string;
    readonly project: string;
}
/**
 * Retrieves the current IAM policy data for a Spanner instance.
 *
 * ## example
 *
 * ```typescript
 * import * as pulumi from "@pulumi/pulumi";
 * import * as gcp from "@pulumi/gcp";
 *
 * const foo = gcp.spanner.getInstanceIamPolicy({
 *     project: instance.project,
 *     instance: instance.name,
 * });
 * ```
 */
export declare function getInstanceIamPolicyOutput(args: GetInstanceIamPolicyOutputArgs, opts?: pulumi.InvokeOutputOptions): pulumi.Output<GetInstanceIamPolicyResult>;
/**
 * A collection of arguments for invoking getInstanceIamPolicy.
 */
export interface GetInstanceIamPolicyOutputArgs {
    /**
     * The name of the instance.
     */
    instance: pulumi.Input<string>;
    /**
     * The ID of the project in which the resource belongs. If it
     * is not provided, the provider project is used.
     */
    project?: pulumi.Input<string | undefined>;
}
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