import * as pulumi from "@pulumi/pulumi";
import * as inputs from "../types/input";
import * as outputs from "../types/output";
/**
 * This data source provides the list of Db Systems in Oracle Cloud Infrastructure Psql service.
 *
 * Returns a list of database systems.
 *
 * ## Example Usage
 *
 * ```typescript
 * import * as pulumi from "@pulumi/pulumi";
 * import * as oci from "@pulumi/oci";
 *
 * const testDbSystems = oci.psql.getDbSystems({
 *     compartmentId: compartmentId,
 *     displayName: dbSystemDisplayName,
 *     id: dbSystemId,
 *     state: dbSystemState,
 *     systemRole: dbSystemSystemRole,
 * });
 * ```
 */
export declare function getDbSystems(args?: GetDbSystemsArgs, opts?: pulumi.InvokeOptions): Promise<GetDbSystemsResult>;
/**
 * A collection of arguments for invoking getDbSystems.
 */
export interface GetDbSystemsArgs {
    /**
     * The ID of the compartment in which to list resources.
     */
    compartmentId?: string;
    /**
     * A filter to return only resources that match the entire display name given.
     */
    displayName?: string;
    filters?: inputs.Psql.GetDbSystemsFilter[];
    /**
     * A unique identifier for the database system.
     */
    id?: string;
    /**
     * A filter to return only resources if their `lifecycleState` matches the given `lifecycleState`.
     */
    state?: string;
    /**
     * A filter to return only DbSystem resources if their `systemRole` matches the given value.
     */
    systemRole?: string;
}
/**
 * A collection of values returned by getDbSystems.
 */
export interface GetDbSystemsResult {
    /**
     * target compartment to place a new backup
     */
    readonly compartmentId?: string;
    /**
     * The list of db_system_collection.
     */
    readonly dbSystemCollections: outputs.Psql.GetDbSystemsDbSystemCollection[];
    /**
     * A user-friendly display name for the database instance node. Avoid entering confidential information.
     */
    readonly displayName?: string;
    readonly filters?: outputs.Psql.GetDbSystemsFilter[];
    /**
     * A unique identifier for the database instance node. Immutable on creation.
     */
    readonly id?: string;
    /**
     * The current state of the database system.
     */
    readonly state?: string;
    /**
     * Type of the database system.
     */
    readonly systemRole?: string;
}
/**
 * This data source provides the list of Db Systems in Oracle Cloud Infrastructure Psql service.
 *
 * Returns a list of database systems.
 *
 * ## Example Usage
 *
 * ```typescript
 * import * as pulumi from "@pulumi/pulumi";
 * import * as oci from "@pulumi/oci";
 *
 * const testDbSystems = oci.psql.getDbSystems({
 *     compartmentId: compartmentId,
 *     displayName: dbSystemDisplayName,
 *     id: dbSystemId,
 *     state: dbSystemState,
 *     systemRole: dbSystemSystemRole,
 * });
 * ```
 */
export declare function getDbSystemsOutput(args?: GetDbSystemsOutputArgs, opts?: pulumi.InvokeOutputOptions): pulumi.Output<GetDbSystemsResult>;
/**
 * A collection of arguments for invoking getDbSystems.
 */
export interface GetDbSystemsOutputArgs {
    /**
     * The ID of the compartment in which to list resources.
     */
    compartmentId?: pulumi.Input<string | undefined>;
    /**
     * A filter to return only resources that match the entire display name given.
     */
    displayName?: pulumi.Input<string | undefined>;
    filters?: pulumi.Input<pulumi.Input<inputs.Psql.GetDbSystemsFilterArgs>[] | undefined>;
    /**
     * A unique identifier for the database system.
     */
    id?: pulumi.Input<string | undefined>;
    /**
     * A filter to return only resources if their `lifecycleState` matches the given `lifecycleState`.
     */
    state?: pulumi.Input<string | undefined>;
    /**
     * A filter to return only DbSystem resources if their `systemRole` matches the given value.
     */
    systemRole?: pulumi.Input<string | undefined>;
}
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