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/* BSD 2-Clause License - see OPAL/LICENSE for details. */
package org.opalj
package br

import scala.collection.Map

import scala.collection.immutable.ArraySeq

/**
 * Defines commonly useful type aliases.
 *
 * @author Michael Eichberg
 */
package object analyses {

    /**
     * Type alias for Project's with an arbitrary sources.
     */
    type SomeProject = Project[_]

    type ProgressEvent = ProgressEvents.Value

    type ProjectInformationKeys = Seq[ProjectInformationKey[_ <: AnyRef, _ <: AnyRef]]

    type StringConstantsInformation = Map[String, ArraySeq[PCInMethod]]

    /**
     * An analysis that may produce a result.
     */
    type SingleOptionalResultAnalysis[Source, +AnalysisResult] = Analysis[Source, Option[AnalysisResult]]

    /**
     * An analysis that may produce multiple results. E.g., an analysis that looks for
     * instances of bug patterns.
     */
    type MultipleResultsAnalysis[Source, +AnalysisResult] = Analysis[Source, Iterable[AnalysisResult]]

    implicit object MethodDeclarationContextOrdering extends Ordering[MethodDeclarationContext] {
        def compare(x: MethodDeclarationContext, y: MethodDeclarationContext): Int = x compare y
    }

}