import { Permission, SQLActor, SQLFunction, SQLGroup, SQLProcedure, SQLRowLevelSecurityPolicy, SQLSchema, SQLSequence, SQLTableMetadata, SQLUser, SQLView } from "./sql.js";
export interface SQLEntities {
    users: SQLUser[];
    groups: SQLGroup[];
    schemas: SQLSchema[];
    tables: SQLTableMetadata[];
    views: SQLView[];
    rlsPolicies: SQLRowLevelSecurityPolicy[];
    functions: SQLFunction[];
    procedures: SQLProcedure[];
    sequences: SQLSequence[];
}
export interface SQLBackendContext {
    setupQuery?: string;
    teardownQuery?: string;
    transactionStartQuery?: string;
    transactionCommitQuery?: string;
    removeAllPermissionsFromActorsQueries: (users: SQLActor[], entities: SQLEntities) => string[];
    compileGrantQueries: (permissions: Permission[], entities: SQLEntities) => string[];
}
export interface SQLBackend {
    fetchEntities: () => Promise<SQLEntities>;
    getContext: (entities: SQLEntities) => Promise<SQLBackendContext>;
}